Pass use_default_shell_env=True to ctx.action. (#76)
This is necessary under --python_path=python3 and other relative paths,
which is in turn necessary to support builds across multiple environments
with python3 installed in different locations.
diff --git a/subpar.bzl b/subpar.bzl
index 075c5a2..e3d1e25 100644
--- a/subpar.bzl
+++ b/subpar.bzl
@@ -88,6 +88,7 @@
executable=ctx.executable.compiler,
arguments=args,
mnemonic='PythonCompile',
+ use_default_shell_env=True,
)
# .par file itself has no runfiles and no providers
