Allow md5hash to function in fips environments

Author: trevor-scale

dateparser/conf.py

@@ -49,7 +49,7 @@ def get_key(cls, settings=None):
             return "default"
 
         keys = sorted(["%s-%s" % (key, str(settings[key])) for key in settings])
-        return hashlib.md5("".join(keys).encode("utf-8")).hexdigest()
+        return hashlib.new("md5", "".join(keys).encode("utf-8"), usedforsecurity=True).hexdigest()
 
     @classmethod
     def _get_settings_from_pyfile(cls):