Fixed import module for windows and python 3.7

create unit test

python/tests/tst_importModule.py

@@ -0,0 +1,19 @@
+import unittest
+import importlib
+import inspect
+
+from config import TstConfig
+
+class TestImportModules(unittest.TestCase):
+    def test_importModules(self):
+        m = importlib.import_module(TstConfig.bindingsNamespace + '.KDDockWidgets')
+        moduleSymbols = []
+        for t in inspect.getmembers(m):
+            moduleSymbols.append(t[0])
+
+        symbols = ['MainWindow', 'DockWidget']
+        for symbol in symbols:
+            self.assertIn(symbol, moduleSymbols)
+
+if __name__ == '__main__':
+    unittest.main()