build: temporarily pin rpy2

paulmueller · paulmueller · commit 3eb297a6c873 · 2021-04-09T08:09:35.000+02:00
diff --git a/build-recipes/win_build_requirements.txt b/build-recipes/win_build_requirements.txt
@@ -3,7 +3,7 @@
 numpy<1.19.4
 # https://github.com/pyinstaller/pyinstaller/issues/5004
 pyinstaller>=4.2
-rpy2
+rpy2==3.4.2
 # pyinstaller is missing a hook for the latest release of scipy
 scipy<1.5.0
 # https://github.com/pyinstaller/pyinstaller/issues/5631
