[odml/init] Update untested version notice

Author: mpsonntag

odml/__init__.py

@@ -33,7 +33,7 @@ def _format_warning(warn_msg, *args, **kwargs):
     msg = "Python 2 has reached end of live."
     msg += "\n\todML support for Python 2 has been dropped."
     warnings.warn(msg, category=DeprecationWarning, stacklevel=2)
-elif _python_version.major == 3 and _python_version.minor < 6:
+elif _python_version.major == 3 and _python_version.minor < 7:
     msg = "The '%s' package is not tested with your Python version. " % __name__
     msg += "\n\tPlease consider upgrading to the latest Python distribution."
     warnings.warn(msg)