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-rw-r--r--pkgs/development/interpreters/python/mk-python-derivation.nix4
1 files changed, 4 insertions, 0 deletions
diff --git a/pkgs/development/interpreters/python/mk-python-derivation.nix b/pkgs/development/interpreters/python/mk-python-derivation.nix
index 63ffdbb8c0ac..ef8ee4e5425b 100644
--- a/pkgs/development/interpreters/python/mk-python-derivation.nix
+++ b/pkgs/development/interpreters/python/mk-python-derivation.nix
@@ -101,6 +101,10 @@ toPythonModule (python.stdenv.mkDerivation (builtins.removeAttrs attrs [
     ${python.interpreter} ${./catch_conflicts}/catch_conflicts.py
   '' + attrs.postFixup or '''';
 
+  # Print fewer warnings so we have less noise in our logs
+  # The amount of warnings also caused builds to be terminated.
+  PYTHONWARNINGS="once";
+
   meta = {
     # default to python's platforms
     platforms = python.meta.platforms;