Add ssl ceertificate testing to check.yml

.github/scripts/check_python_structure.py

@@ -1,9 +1,17 @@
+from __future__ import print_function
 import os
 import sys
 import pip
 import numpy
+try:
+    from urllib import urlopen
+except ImportError:
+    from urllib.request import urlopen
 
 print("executable: " + sys.executable)
 print("os location: " + os.__file__)
 print("pip location: " + pip.__file__)
-print("numpy location: " + numpy.__file__)
+print("numpy location: " + numpy.__file__)
+
+print("Testing ssl certificates...")
+urlopen("https://google.com")