Fixed database typo and removed unnecessary class identifier.

venv/Lib/site-packages/scipy/_build_utils/tests/test_circular_imports.py

@@ -0,0 +1,45 @@
+import sys
+import subprocess
+
+
+PUBLIC_SUBMODULES = [
+    'cluster',
+    'cluster.hierarchy',
+    'cluster.vq',
+    'constants',
+    'fft',
+    'fftpack',
+    'fftpack.convolve',
+    'integrate',
+    'interpolate',
+    'io',
+    'io.arff',
+    'io.wavfile',
+    'linalg',
+    'linalg.blas',
+    'linalg.lapack',
+    'linalg.interpolative',
+    'misc',
+    'ndimage',
+    'odr',
+    'optimize',
+    'signal',
+    'sparse',
+    'sparse.csgraph',
+    'sparse.linalg',
+    'spatial',
+    'spatial.distance',
+    'special',
+    'stats',
+    'stats.mstats',
+]
+
+
+def test_importing_submodules():
+    # Regression test for gh-6793.
+    for name in PUBLIC_SUBMODULES:
+        try:
+            cmd = [sys.executable, '-c', 'import scipy.{0}'.format(name)]
+            subprocess.check_output(cmd)
+        except subprocess.CalledProcessError:
+            raise AssertionError('Importing scipy.{0} failed'.format(name))

venv/Lib/site-packages/scipy/_build_utils/tests/test_scipy_version.py

@@ -0,0 +1,18 @@
+import re
+
+import scipy
+from numpy.testing import assert_
+
+
+def test_valid_scipy_version():
+    # Verify that the SciPy version is a valid one (no .post suffix or other
+    # nonsense). See NumPy issue 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 scipy.version.release:
+        res = re.match(version_pattern, scipy.__version__)
+    else:
+        res = re.match(version_pattern + dev_suffix, scipy.__version__)
+
+    assert_(res is not None, scipy.__version__)