diff options
| -rw-r--r-- | guix/build/python-build-system.scm | 3 |
1 files changed, 3 insertions, 0 deletions
diff --git a/guix/build/python-build-system.scm b/guix/build/python-build-system.scm index 4a07496d22..1179315ce2 100644 --- a/guix/build/python-build-system.scm +++ b/guix/build/python-build-system.scm @@ -260,6 +260,9 @@ installed with setuptools." "Improve determinism of pyc files." ;; Use deterministic hashes for strings, bytes, and datetime objects. (setenv "PYTHONHASHSEED" "0") + ;; Prevent Python from creating .pyc files when loading modules (such as + ;; when running a test suite). + (setenv "PYTHONDONTWRITEBYTECODE" "1") #t) (define %standard-phases |