Fix warning in python script. (#4251)
diff --git a/utils/check_copyright.py b/utils/check_copyright.py
index 6db4328..a24d8f3 100755
--- a/utils/check_copyright.py
+++ b/utils/check_copyright.py
@@ -130,7 +130,7 @@
update_file = False
for line in fileinput.input(file, inplace=1):
emit = True
- if state is 0:
+ if state == 0:
if COPYRIGHT_RE.search(line):
state = 1
elif skip(line):
@@ -141,7 +141,7 @@
sys.stdout.write(licensed)
# Assume there isn't a previous license notice.
state = 1
- elif state is 1:
+ elif state == 1:
if MIT_BEGIN_RE.search(line):
state = 2
emit = False
@@ -149,7 +149,7 @@
# Assume an Apache license is preceded by a copyright
# notice. So just emit it like the rest of the file.
state = 9
- elif state is 2:
+ elif state == 2:
# Replace the MIT license with Apache 2
emit = False
if MIT_END_RE.search(line):
