diff --git a/module3/exo2/shell.nix b/module3/exo2/shell.nix
new file mode 100644
index 0000000000000000000000000000000000000000..ba3534ea5c14ecf3319c7833c1c91ef661b7d22e
--- /dev/null
+++ b/module3/exo2/shell.nix
@@ -0,0 +1,15 @@
+with import <nixpkgs> {};
+
+mkShell rec {
+  buildInputs = [
+    python38
+    python38.pkgs.pandas
+    python38.pkgs.seaborn
+    # python38.pkgs.ipython
+    # python38.pkgs.ipdb
+  ];
+  DATA = fetchurl {
+    url = "https://www.sentiweb.fr/datasets/incidence-PAY-7.csv";
+    sha256 = "43a4a004272416b5b0b41e9a725e44899729a72f7ff3cccb182700f4f78ade79";
+  };
+}