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-rw-r--r--ryu/lib/ip.py2
1 files changed, 1 insertions, 1 deletions
diff --git a/ryu/lib/ip.py b/ryu/lib/ip.py
index c4094b9a..c75de162 100644
--- a/ryu/lib/ip.py
+++ b/ryu/lib/ip.py
@@ -84,7 +84,7 @@ def ipv4_to_str(ip):
:param ip: binary or int type representation of IPv4 address
:return: IPv4 address string
"""
- if isinstance(ip, int):
+ if isinstance(ip, numbers.Integral):
return addrconv.ipv4.bin_to_text(struct.pack("!I", ip))
else:
return addrconv.ipv4.bin_to_text(ip)