# STAC Overflow: Map Floodwater from Radar Imagery

**URL:** https://community.drivendata.org/c/flood-mapping-challenge/47.md

[Latest](https://community.drivendata.org/latest.md) · [Categories](https://community.drivendata.org/categories.md)

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## [About the STAC Overflow: Map Floodwater from Radar Imagery category](https://community.drivendata.org/t/about-the-stac-overflow-map-floodwater-from-radar-imagery-category/6313)

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**Author:** [@tglazer](https://community.drivendata.org/u/tglazer)\
**Replies:** 2\
**Last updated:** [August 14, 2021, 8:01am UTC](https://community.drivendata.org/t/about-the-stac-overflow-map-floodwater-from-radar-imagery-category/6313 "2021-08-14T08:01:23Z")

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This category is for posts about the STAC Overflow: Map Floodwater from Radar Imagery competition. Please keep all posts here specific to the competition.

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## [1st Place Solution for STAC Overflow](https://community.drivendata.org/t/1st-place-solution-for-stac-overflow/6656)

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**Author:** [@sweetlhare](https://community.drivendata.org/u/sweetlhare)\
**Replies:** 0\
**Last updated:** [October 9, 2021, 2:23pm UTC](https://community.drivendata.org/t/1st-place-solution-for-stac-overflow/6656 "2021-10-09T14:23:16Z")

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Hi, DrivenData! Thanks to the organizers from Driven Data and Microsoft AI for Earth for such an interesting competition! And thanks for participants! I was really excited to compete with such strong participants. I fi…

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## [Submission stuck in pending status](https://community.drivendata.org/t/submission-stuck-in-pending-status/6605)

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**Author:** [@RituYadav](https://community.drivendata.org/u/RituYadav)\
**Replies:** 0\
**Last updated:** [September 21, 2021, 7:11pm UTC](https://community.drivendata.org/t/submission-stuck-in-pending-status/6605 "2021-09-21T19:11:56Z")

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Hey, My latest submission is in pending status for quite a long time. could you please help me in resolving this? Thanks!

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## [Problem when running the HOW TO MAP FLOODWATER FROM RADAR IMAGERY USING SEMANTIC SEGMENTATION - BENCHMARK tutorial](https://community.drivendata.org/t/problem-when-running-the-how-to-map-floodwater-from-radar-imagery-using-semantic-segmentation-benchmark-tutorial/6603)

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**Author:** [@fabianocostantini](https://community.drivendata.org/u/fabianocostantini)\
**Replies:** 0\
**Last updated:** [September 21, 2021, 2:26pm UTC](https://community.drivendata.org/t/problem-when-running-the-how-to-map-floodwater-from-radar-imagery-using-semantic-segmentation-benchmark-tutorial/6603 "2021-09-21T14:26:04Z")

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Hello I am trying to run the tutorial as it is but I get this error message: AttributeError: ‘functools.partial’ object has no attribute 'name’ I am using python 3.9.6 Thanks in advance Fabiano

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## [Submission deadline](https://community.drivendata.org/t/submission-deadline/6580)

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**Author:** [@RituYadav](https://community.drivendata.org/u/RituYadav)\
**Replies:** 1\
**Last updated:** [September 16, 2021, 1:50pm UTC](https://community.drivendata.org/t/submission-deadline/6580 "2021-09-16T13:50:55Z")

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Hi, This competition ends on 29th September, then how come the countdown is displaying 1 week left? Am I missing something here?

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## [Segmentation-models library for TensorFlow](https://community.drivendata.org/t/segmentation-models-library-for-tensorflow/6534)

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**Author:** [@AliGebily](https://community.drivendata.org/u/AliGebily)\
**Replies:** 4\
**Last updated:** [September 15, 2021, 10:06am UTC](https://community.drivendata.org/t/segmentation-models-library-for-tensorflow/6534 "2021-09-15T10:06:43Z")

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Can you add this dependency(segmentation-models==1.0.1). It provides similar functionality like the installed package(segmentation-models-pytorch=0.2.0) but using keras & tensorflow. For more details, please check the …

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## [Install custom library](https://community.drivendata.org/t/install-custom-library/6574)

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**Author:** [@Aryal007](https://community.drivendata.org/u/Aryal007)\
**Replies:** 0\
**Last updated:** [September 15, 2021, 2:25am UTC](https://community.drivendata.org/t/install-custom-library/6574 "2021-09-15T02:25:20Z")

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Hello, how can we install new libraries for inference?

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## [Submissions stuck at 99%](https://community.drivendata.org/t/submissions-stuck-at-99/6572)

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**Author:** [@stefan.istrate](https://community.drivendata.org/u/stefan.istrate)\
**Replies:** 0\
**Last updated:** [September 14, 2021, 5:10pm UTC](https://community.drivendata.org/t/submissions-stuck-at-99/6572 "2021-09-14T17:10:41Z")

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Is there any issue at the moment with submission uploading? Mine get stuck at 99% for more than 10 minutes. I’m using Chrome.

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## [Test fails due to image file size](https://community.drivendata.org/t/test-fails-due-to-image-file-size/6553)

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**Author:** [@X6HmvZ73AEmpU8nXPn2J](https://community.drivendata.org/u/X6HmvZ73AEmpU8nXPn2J)\
**Replies:** 1\
**Last updated:** [September 12, 2021, 1:30pm UTC](https://community.drivendata.org/t/test-fails-due-to-image-file-size/6553 "2021-09-12T13:30:40Z")

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Hi, I am just wondering if anyone else has gotten this issue? def test\_file\_sizes\_are\_within\_limit(): for submission\_path in SUBMISSION\_DIR.glob("\*.tif"): size\_bytes = submission\_path.stat().st\_size …

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## [Supplementary data access](https://community.drivendata.org/t/supplementary-data-access/6541)

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**Author:** [@RituYadav](https://community.drivendata.org/u/RituYadav)\
**Replies:** 2\
**Last updated:** [September 9, 2021, 3:34pm UTC](https://community.drivendata.org/t/supplementary-data-access/6541 "2021-09-09T15:34:39Z")

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Hi, To access the supplementary data, I applied for planetary computer access 3 times in the past one and a half weeks. Also, I have dropped multiple emails to \[planetarycomputer@microsoft.com\] mentioning the competitio…

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## [Pseudo labeling during 8 hours of inference](https://community.drivendata.org/t/pseudo-labeling-during-8-hours-of-inference/6427)

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**Author:** [@maksimovka](https://community.drivendata.org/u/maksimovka)\
**Replies:** 4\
**Last updated:** [September 3, 2021, 6:41am UTC](https://community.drivendata.org/t/pseudo-labeling-during-8-hours-of-inference/6427 "2021-09-03T06:41:38Z")

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Is pseudo labeling allowed? I mean can we train model on pseudo labels inside of our limit of 8 hours?

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## [Metadata for the testing images](https://community.drivendata.org/t/metadata-for-the-testing-images/6496)

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**Author:** [@Vervan](https://community.drivendata.org/u/Vervan)\
**Replies:** 1\
**Last updated:** [September 2, 2021, 9:23pm UTC](https://community.drivendata.org/t/metadata-for-the-testing-images/6496 "2021-09-02T21:23:08Z")

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Hi, is metadata for the testing images available to use for inference? Thanks!

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## [Are the callbacks meant to trick us or am I confused?](https://community.drivendata.org/t/are-the-callbacks-meant-to-trick-us-or-am-i-confused/6513)

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**Author:** [@jacquesthibs](https://community.drivendata.org/u/jacquesthibs)\
**Replies:** 2\
**Last updated:** [September 2, 2021, 8:37pm UTC](https://community.drivendata.org/t/are-the-callbacks-meant-to-trick-us-or-am-i-confused/6513 "2021-09-02T20:37:53Z")

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Hey, I was about to post this: I finished going through the benchmark blog post and noticed that the metric we are monitoring with val\_loss, yet it is in mode="max". Shouldn’t it be “min” since a lower XEDiceLoss scor…

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## [Access to the train data during inference](https://community.drivendata.org/t/access-to-the-train-data-during-inference/6515)

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**Author:** [@maksimovka](https://community.drivendata.org/u/maksimovka)\
**Replies:** 1\
**Last updated:** [September 2, 2021, 8:35pm UTC](https://community.drivendata.org/t/access-to-the-train-data-during-inference/6515 "2021-09-02T20:35:02Z")

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Do we have access to the training data during the inference phase?

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## [Supplementary data on test enviroment](https://community.drivendata.org/t/supplementary-data-on-test-enviroment/6472)

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**Author:** [@VictorCallejas](https://community.drivendata.org/u/VictorCallejas)\
**Replies:** 3\
**Last updated:** [August 28, 2021, 3:22pm UTC](https://community.drivendata.org/t/supplementary-data-on-test-enviroment/6472 "2021-08-28T15:22:23Z")

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Hi, the supplementary data on elevation (NASADEM) and permanent water (JRC) was said that “there will be an announcement when this data is made available in the coming weeks”. Any news about this? Meanwhile the data i…

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## [Tensorflow GPU access](https://community.drivendata.org/t/tensorflow-gpu-access/6471)

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**Author:** [@AliGebily](https://community.drivendata.org/u/AliGebily)\
**Replies:** 2\
**Last updated:** [August 26, 2021, 12:18am UTC](https://community.drivendata.org/t/tensorflow-gpu-access/6471 "2021-08-26T00:18:52Z")

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Hi all, I am trying to access GPU using installed version of tensorflow(2.4.1), but it didn’t work. After some investigation, I found that we use python 3.9, but tensorflow(2.4.1) build is tested only till python 3.8. …

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## [External data and auxillary data](https://community.drivendata.org/t/external-data-and-auxillary-data/6415)

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**Author:** [@ashwinids](https://community.drivendata.org/u/ashwinids)\
**Replies:** 4\
**Last updated:** [August 25, 2021, 10:26pm UTC](https://community.drivendata.org/t/external-data-and-auxillary-data/6415 "2021-08-25T22:26:48Z")

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Using an external dataset allowed or not? I’ve applied for access to Planetary computer API and haven’t heard back from them.

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## [Benchmark Submission Score](https://community.drivendata.org/t/benchmark-submission-score/6374)

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**Author:** [@Tashin](https://community.drivendata.org/u/Tashin)\
**Replies:** 2\
**Last updated:** [August 25, 2021, 4:47am UTC](https://community.drivendata.org/t/benchmark-submission-score/6374 "2021-08-25T04:47:59Z")

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Have anyone submitted the benchmark? :sweat\_smile: What is the score of the benchmark? :sweat\_smile: :sweat\_smile:

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## [Error while fitting model in Benchmark](https://community.drivendata.org/t/error-while-fitting-model-in-benchmark/6441)

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**Author:** [@cbenson](https://community.drivendata.org/u/cbenson)\
**Replies:** 1\
**Last updated:** [August 24, 2021, 4:32pm UTC](https://community.drivendata.org/t/error-while-fitting-model-in-benchmark/6441 "2021-08-24T16:32:08Z")

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I’m getting this error while trying to fit the benchmark model: “AttributeError: ‘functools.partial’ object has no attribute ‘name’” While Googling around I couldn’t find an obvious answer. Upgrading python from 3.7 t…

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## [Are flood\_ids in the test set the same as in the train set?](https://community.drivendata.org/t/are-flood-ids-in-the-test-set-the-same-as-in-the-train-set/6444)

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**Author:** [@1x0r](https://community.drivendata.org/u/1x0r)\
**Replies:** 2\
**Last updated:** [August 24, 2021, 10:27am UTC](https://community.drivendata.org/t/are-flood-ids-in-the-test-set-the-same-as-in-the-train-set/6444 "2021-08-24T10:27:36Z")

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Hello! Could you please clarify, what’s the relationship between flood\_ids in train and test sets? Are flood\_ids in the test set the same as in the train set? Or, maybe, these sets intersect or completely independent fr…

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## [About the test environment](https://community.drivendata.org/t/about-the-test-environment/6464)

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**Author:** [@VOVO](https://community.drivendata.org/u/VOVO)\
**Replies:** 1\
**Last updated:** [August 23, 2021, 10:00pm UTC](https://community.drivendata.org/t/about-the-test-environment/6464 "2021-08-23T22:00:10Z")

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According to the information disclosed on the competition website, the test environment seems to be unified, but this may not meet everyone’s needs. For example, I modified some of the code on mmdetection and need to be …

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## [Challenge data in Planetary Computer](https://community.drivendata.org/t/challenge-data-in-planetary-computer/6431)

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**Author:** [@benab.nasser](https://community.drivendata.org/u/benab.nasser)\
**Replies:** 2\
**Last updated:** [August 19, 2021, 4:04pm UTC](https://community.drivendata.org/t/challenge-data-in-planetary-computer/6431 "2021-08-19T16:04:02Z")

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Hi, I got access to the Planetary Computer Hub, thank you ! Is the challenge data available there directly or should it be downloaded ? Also, is there an easy way to create a virtual environment in the Hub rather pip …

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## [Urlopen error on basline sub](https://community.drivendata.org/t/urlopen-error-on-basline-sub/6413)

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**Author:** [@polymathAB](https://community.drivendata.org/u/polymathAB)\
**Replies:** 10\
**Last updated:** [August 18, 2021, 12:09am UTC](https://community.drivendata.org/t/urlopen-error-on-basline-sub/6413 "2021-08-18T00:09:31Z")

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I get the following errors in logs upon submitting baseline submission Could not load model. \<urlopen error \[Errno -3\] Temporary failure in name resolution\> raise URLError(err) urllib.error.URLError: \<urlopen error \[E…

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## [Problem with Benchmark notebook](https://community.drivendata.org/t/problem-with-benchmark-notebook/6375)

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**Author:** [@suresh12](https://community.drivendata.org/u/suresh12)\
**Replies:** 7\
**Last updated:** [August 17, 2021, 11:13pm UTC](https://community.drivendata.org/t/problem-with-benchmark-notebook/6375 "2021-08-17T23:13:51Z")

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Hi All, I was trying to the run the benchmark code in google colab, But I was run into problem . could please anyone help me to solve this. here my error. TypeError: can't convert cuda:0 device type tensor to nu…

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## [What is the actual dataset size?](https://community.drivendata.org/t/what-is-the-actual-dataset-size/6435)

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**Author:** [@mansamusa](https://community.drivendata.org/u/mansamusa)\
**Replies:** 1\
**Last updated:** [August 17, 2021, 6:46pm UTC](https://community.drivendata.org/t/what-is-the-actual-dataset-size/6435 "2021-08-17T18:46:48Z")

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Hi, I have downloaded the dataset and it contains 41 chips, is this the expected number of chips?

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## [Evaluation metric clarification](https://community.drivendata.org/t/evaluation-metric-clarification/6369)

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**Author:** [@bloodaxe](https://community.drivendata.org/u/bloodaxe)\
**Replies:** 2\
**Last updated:** [August 16, 2021, 6:45pm UTC](https://community.drivendata.org/t/evaluation-metric-clarification/6369 "2021-08-16T18:45:01Z")

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Greetings, After reading problem description and evaluation metric section, it’s still unclear how IoU is calculated. In particular: IoU score can be calculated per each 512x512 tile independently and averaged across …

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## [Access to Microsoft Planetary Computer](https://community.drivendata.org/t/access-to-microsoft-planetary-computer/6418)

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**Author:** [@benab.nasser](https://community.drivendata.org/u/benab.nasser)\
**Replies:** 2\
**Last updated:** [August 16, 2021, 6:42pm UTC](https://community.drivendata.org/t/access-to-microsoft-planetary-computer/6418 "2021-08-16T18:42:49Z")

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Hi, I have requested access to the Microsoft Planetary Computer (including “DrivenData” in the area of study). I have received an email indicating that I am in the waitlist. How long does it take to get access ? I would…

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## [Maximum zip file size](https://community.drivendata.org/t/maximum-zip-file-size/6429)

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**Author:** [@maksimovka](https://community.drivendata.org/u/maksimovka)\
**Replies:** 1\
**Last updated:** [August 16, 2021, 3:13pm UTC](https://community.drivendata.org/t/maximum-zip-file-size/6429 "2021-08-16T15:13:39Z")

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What is the maximum zip file size that I can upload as a submission?

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## [Amount of available submissions](https://community.drivendata.org/t/amount-of-available-submissions/6426)

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**Author:** [@maksimovka](https://community.drivendata.org/u/maksimovka)\
**Replies:** 1\
**Last updated:** [August 16, 2021, 3:12pm UTC](https://community.drivendata.org/t/amount-of-available-submissions/6426 "2021-08-16T15:12:22Z")

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Hi! Do we have any restriction on amount of available submissions per day?

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## [Include fastai library](https://community.drivendata.org/t/include-fastai-library/6407)

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**Author:** [@boredmgr](https://community.drivendata.org/u/boredmgr)\
**Replies:** 1\
**Last updated:** [August 16, 2021, 2:29am UTC](https://community.drivendata.org/t/include-fastai-library/6407 "2021-08-16T02:29:04Z")

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Hi, Can we include fastai library for this challenge?

[Next page](https://community.drivendata.org/c/flood-mapping-challenge/47.md?page=1)
