Import TLJH only when needed in conftest.py

jupyterhub · Oct 31, 2018 · eb575b4 · eb575b4
1 parent 25c4688
commit eb575b4
Showing 1 changed file with 4 additions and 2 deletions.
diff --git a/tests/conftest.py b/tests/conftest.py
@@ -6,12 +6,14 @@
 
 import pytest
 
-import tljh
-
 
 @pytest.fixture
 def tljh_dir(tmpdir):
     """Fixture for setting up a temporary tljh dir"""
+    # Import TLJH only when needed. This lets us run tests in places
+    # where TLJH is not installed - particularly, the 'distro check' test.
+    import tljh
+
     tljh_dir = str(tmpdir.join("tljh").mkdir())
     with mock.patch.dict(os.environ, {"TLJH_INSTALL_PREFIX": tljh_dir}):
         reload(tljh)