diff --git a/README.md b/README.md
index c820a29c052a59677184f06717474b624a4d42b6..efa45ffbec1866fa488a2bbd603463cf1e3cd2b2 100644
--- a/README.md
+++ b/README.md
@@ -87,4 +87,5 @@ Non functional (expected values are $`5.085`$ and $`-0.1156`$)
 | R        |            4.1.0 | ggplot2_3.3.3                                                 | Rstudio |Windows 10 x64 (build 19041)      | Identical                              | Identical                                 | Identical                     |Identical |  Identical   | [Rmd](https://app-learninglab.inria.fr/moocrr/gitlab/ea4f5ba1b97cd5a14653d4641234245a/mooc-rr/blob/master/module4/exo5_fr_Replication.Rmd), [PDF](https://app-learninglab.inria.fr/moocrr/gitlab/ea4f5ba1b97cd5a14653d4641234245a/mooc-rr/blob/master/module4/exo5_fr_Replication.pdf)                                                                                                                                                                                          | ea4f5ba1b97cd5a14653d4641234245a |
 | Python   |            3.6.4 | matplotlib 2.2.3 numpy 1.15.2 pandas 0.22.0 statsmodel 0.9.0 seaborn 0.8.1 | Jupyter | Windows 10 x64 (build 19042) | Identical               | Identical                                 | Identical                    | Very slightly changed | Slightly shifted upwards at low temperature   |  [ipynb](https://app-learninglab.inria.fr/moocrr/gitlab/7eba932125d7468e05c00632ef18215f/mooc-rr/blob/master/module4/src_Python3_challenger__1_-Copy1.ipynb) |  7eba932125d7468e05c00632ef18215f | 
 | R        |            3.6.1 | ggplot2_3.1.1                                                  | Rstudio |Windows >= 8 x64 (build 9200)   |               Identical                    |      Identical                                    |                         Identical     |               Identical         |                             Identical                      |[Rmd](https://app-learninglab.inria.fr/moocrr/gitlab/36cf6267d1f8856c85d87f0f287ea039/mooc-rr/blob/master/module4/EXO1.Rmd) [Pdf](https://app-learninglab.inria.fr/moocrr/gitlab/36cf6267d1f8856c85d87f0f287ea039/mooc-rr/blob/master/module4/test.pdf) |    36cf6267d1f8856c85d87f0f287ea039 |            
-| Python   |            3.6.4 | matplotlib 2.2.3 numpy 1.15.2 pandas 0.22.0 statsmodel 0.9.0 seaborn 0.8.1 | Jupyter | Linux Ubuntu SMP Fri Sep 13 12:02:50 UTC 2019 | Identical | Identical | Identical | Similar | Similar | [ipynb](https://app-learninglab.inria.fr/moocrr/gitlab/2207ee6c4b0763c29ab8f98156e3343c/mooc-rr/blob/master/module4/Module4-exercice1.ipynb) | https://app-learninglab.inria.fr/moocrr/gitlab/2207ee6c4b0763c29ab8f98156e3343c/mooc-rr/blob/master/module4/Module4-exercice1.ipynb
+| Python   |            3.6.4 | matplotlib 2.2.3 numpy 1.15.2 pandas 0.22.0 statsmodel 0.9.0 seaborn 0.8.1 | Jupyter | Linux Ubuntu SMP Fri Sep 13 12:02:50 UTC 2019 | Identical | Identical | Identical | Similar | Similar | [ipynb](https://app-learninglab.inria.fr/moocrr/gitlab/2207ee6c4b0763c29ab8f98156e3343c/mooc-rr/blob/master/module4/Module4-exercice1.ipynb) | @2207ee6c4b0763c29ab8f98156e3343c
+| Python   |            3.6.5 | matplotlib 3.1.1 numpy 1.19.1 pandas 1.0.3 statsmodel 0.12.2 seaborn 0.9.0 | Jupyter | MacOS Catalina 10.15.7 | Identical | Identical | Identical | Similar | Similar | [pdf](module4/Module4-exercice1.pdf) | @2207ee6c4b0763c29ab8f98156e3343c
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