Fixed database typo and removed unnecessary class identifier.

venv/Lib/site-packages/pywt/tests/test_doc.py

@@ -0,0 +1,25 @@
+from __future__ import division, print_function, absolute_import
+
+import doctest
+import glob
+import os
+import unittest
+
+try:
+    import numpy as np
+    np.set_printoptions(legacy='1.13')
+except TypeError:
+    pass
+
+pdir = os.path.pardir
+docs_base = os.path.abspath(os.path.join(os.path.dirname(__file__),
+                            pdir, pdir, "doc", "source"))
+
+files = glob.glob(os.path.join(docs_base, "*.rst")) + \
+    glob.glob(os.path.join(docs_base, "*", "*.rst"))
+
+suite = doctest.DocFileSuite(*files, module_relative=False, encoding="utf-8")
+
+
+if __name__ == "__main__":
+    unittest.TextTestRunner().run(suite)