fix circular import

blueyed · Jul 18, 2020 · c2bc1db · c2bc1db
1 parent 6f99c5b
commit c2bc1db
Showing 1 changed file with 2 additions and 1 deletion.
diff --git a/src/_pytest/monkeypatch.py b/src/_pytest/monkeypatch.py
@@ -12,7 +12,6 @@
 from typing import Sequence
 from typing import Union
 
-import pytest
 from _pytest.compat import TYPE_CHECKING
 from _pytest.fixtures import fixture
 from _pytest.pathlib import Path
@@ -256,6 +255,8 @@ def setenv(
         if value is None:
             return self.delenv(name, raising=False)
         if not isinstance(value, str):
+            import pytest
+
             warnings.warn(
                 pytest.PytestWarning(
                     "Value of environment variable {name} type should be str, but got "