manual ruff check fixes

awscli/argparser.py

@@ -81,7 +81,7 @@ def _check_value(self, action, value):
             for i in range(len(action.choices))[::self.ChoicesPerLine]:
                 current = []
                 for choice in action.choices[i:i+self.ChoicesPerLine]:
-                    current.append('%-40s' % choice)
+                    current.append(f'{choice:<40s}')
                 msg.append(' | '.join(current))
             possible = get_close_matches(value, action.choices, cutoff=0.8)
             if possible:

awscli/compat.py

@@ -15,7 +15,6 @@
 import shlex
 import os
 import os.path
-import platform
 import zipfile
 import signal
 import contextlib
@@ -418,11 +417,11 @@ def _parse_release_file(firstline):
             return tuple(m.groups())
 
         # Unknown format... take the first two words
-        l = firstline.strip().split()
-        if l:
-            version = l[0]
-            if len(l) > 1:
-                id = l[1]
+        line = firstline.strip().split()
+        if line:
+            version = line[0]
+            if len(line) > 1:
+                id = line[1]
         return '', version, id
 
     _distributor_id_file_re = re.compile(r"(?:DISTRIB_ID\s*=)\s*(.*)", re.I)

awscli/testutils.py

@@ -286,10 +286,11 @@ def assert_contains(self, contains):
     def assert_contains_with_count(self, contains, count):
         r_count = self.renderer.rendered_contents.count(contains)
         if r_count != count:
-            self.fail("The expected contents:\n%s\n, with the "
-                      "count:\n%d\nwere not in the actual rendered "
-                      " contents:\n%s\nwith count:\n%d" % (
-                          contains, count, self.renderer.rendered_contents, r_count))
+            self.fail(
+                f"The expected contents:\n{contains}\n, with the "
+                f"count:\n{count:d}\nwere not in the actual rendered "
+                f" contents:\n{self.renderer.rendered_contents}\nwith count:\n{r_count:d}"
+            )
 
     def assert_not_contains(self, contents):
         if contents in self.renderer.rendered_contents: