apply pyupgrade and f-strings

1 files changed, 2 insertions, 6 deletions

diff --git a/scripts/generate_identifier_pattern.py b/scripts/generate_identifier_pattern.py
index 5813199..6b47953 100755
--- a/scripts/generate_identifier_pattern.py
+++ b/scripts/generate_identifier_pattern.py
@@ -1,12 +1,8 @@
-#!/usr/bin/env python3
 import itertools
 import os
 import re
 import sys
 
-if sys.version_info[0] < 3:
-    raise RuntimeError("This needs to run on Python 3.")
-
 
 def get_characters():
     """Find every Unicode character that is valid in a Python `identifier`_ but
@@ -52,7 +48,7 @@ def build_pattern(ranges):
             out.append(a)
             out.append(b)
         else:
-            out.append("{}-{}".format(a, b))
+            out.append(f"{a}-{b}")
 
     return "".join(out)
 
@@ -70,7 +66,7 @@ def main():
         f.write("import re\n\n")
         f.write("# generated by scripts/generate_identifier_pattern.py\n")
         f.write("pattern = re.compile(\n")
-        f.write('    r"[\\w{}]+"  # noqa: B950\n'.format(pattern))
+        f.write(f'    r"[\\w{pattern}]+"  # noqa: B950\n')
         f.write(")\n")