PYTHONPATH: do not add trailing pathsep

116faa4b · Jeroen Demeyer · cc02495d · 116faa4b
Commit 116faa4b authored Oct 22, 2018 by Jeroen Demeyer
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runtests.py runtests.py +4 -1

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--- a/runtests.py
+++ b/runtests.py
@@ -1734,7 +1734,10 @@ class EndToEndTest(unittest.TestCase):
            .replace("PYTHON", sys.executable))
        old_path = os.environ.get('PYTHONPATH')
        env = dict(os.environ)
-        env['PYTHONPATH'] = self.cython_syspath + os.pathsep + (old_path or '')
+        new_path = self.cython_syspath
+        if old_path:
+            new_path = new_path + os.pathsep + old_path
+        env['PYTHONPATH'] = new_path
        cmd = []
        out = []
        err = []