chore(client): ensure UDP port is actually an int. Closes #651.

Author: sebito91

influxdb/client.py

@@ -107,7 +107,7 @@ def __init__(self,
         self._verify_ssl = verify_ssl
 
         self.__use_udp = use_udp
-        self.__udp_port = udp_port
+        self.__udp_port = int(udp_port)
 
         if not session:
             session = requests.Session()