python-common: s/unicode/str/

we've dropped python2 support. so it's safe to replace unicde with str.

Signed-off-by: Kefu Chai <kchai@redhat.com>
(cherry picked from commit b9492d46d8460d6818e13d730f6a0bc3a0e4bdaa)

diff --git a/src/python-common/ceph/deployment/utils.py b/src/python-common/ceph/deployment/utils.py
index 33c84cae10178dbefbf482008362b158b91cf3df..075aa8fe72591d12a099eb673f755cd1687c57c6 100644 (file)
--- a/src/python-common/ceph/deployment/utils.py
+++ b/src/python-common/ceph/deployment/utils.py
@@ -1,8 +1,4 @@
 import ipaddress
-import sys
-
-if sys.version_info > (3, 0):
-    unicode = str
 
 
 def unwrap_ipv6(address):
@@ -19,7 +15,7 @@ def wrap_ipv6(address):
     # it's already wrapped it'll not pass (like if it's a hostname) and trigger
     # the ValueError
     try:
-        if ipaddress.ip_address(unicode(address)).version == 6:
+        if ipaddress.ip_address(address).version == 6:
             return f"[{address}]"
     except ValueError:
         pass
@@ -31,6 +27,6 @@ def is_ipv6(address):
     # type: (str) -> bool
     address = unwrap_ipv6(address)
     try:
-        return ipaddress.ip_address(unicode(address)).version == 6
+        return ipaddress.ip_address(address).version == 6
     except ValueError:
         return False