Update oqs.py

Author: vsoftco

oqs/oqs.py

@@ -11,6 +11,7 @@
 import ctypes.util as ctu
 import platform  # to learn the OS we're on
 import sys
+import warnings
 
 # expected return value from native OQS functions
 OQS_SUCCESS = 0
@@ -64,6 +65,11 @@ def oqs_python_version():
     return pkg_resources_require("liboqs-python")[0].version
 
 
+# warn the use if the liboqs version differs from liboqs-python version
+if oqs_version() != oqs_python_version():
+    warnings.warn("liboqs version {} differs from liboqs-python version {}".format(oqs_version(), oqs_python_version()))
+
+
 class MechanismNotSupportedError(Exception):
     """Exception raised when an algorithm is not supported by OQS."""