Try setting MYPYPATH explicitly

HypothesisWorks · May 22, 2018 · 20c5eba · 20c5eba
1 parent 9b808b9
commit 20c5eba
Showing 1 changed file with 2 additions and 0 deletions.
diff --git a/whole-repo-tests/test_type_hints.py b/whole-repo-tests/test_type_hints.py
@@ -17,6 +17,7 @@
 
 from __future__ import division, print_function, absolute_import
 
+import os
 import subprocess
 
 import pytest
@@ -33,6 +34,7 @@ def get_mypy_analysed_type(fname, val):
     out = subprocess.Popen(
         [tool_path('mypy'), fname],
         stdout=subprocess.PIPE, encoding='utf-8', universal_newlines=True,
+        env=dict(os.environ, MYPYPATH=tools.PYTHON_SRC),
     ).stdout.read()
     assert len(out.splitlines()) == 1
     typ = out.split('error: Revealed type is ')[1].strip().strip("'")