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projecten1/lib/python3.6/site-packages/numpy/tests/test_numpy_version.py

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+from __future__ import division, absolute_import, print_function
+
+import re
+
+import numpy as np
+from numpy.testing import assert_, run_module_suite
+
+
+def test_valid_numpy_version():
+    # Verify that the numpy version is a valid one (no .post suffix or other
+    # nonsense).  See gh-6431 for an issue caused by an invalid version.
+    version_pattern = r"^[0-9]+\.[0-9]+\.[0-9]+(|a[0-9]|b[0-9]|rc[0-9])"
+    dev_suffix = r"(\.dev0\+([0-9a-f]{7}|Unknown))"
+    if np.version.release:
+        res = re.match(version_pattern, np.__version__)
+    else:
+        res = re.match(version_pattern + dev_suffix, np.__version__)
+
+    assert_(res is not None, np.__version__)
+
+
+if __name__ == "__main__":
+    run_module_suite()