minor code rewrite (PEP8 etc) in full_group_by

sagemath · Apr 16, 2019 · 01b5429 · 01b5429
1 parent 0f53650
commit 01b5429
Showing 1 changed file with 4 additions and 4 deletions.
diff --git a/src/sage/combinat/finite_state_machine.py b/src/sage/combinat/finite_state_machine.py
@@ -1010,11 +1010,11 @@ def full_group_by(l, key=lambda x: x):
         k = key(item)
         s = str(k)
         if s in original_keys:
-            if original_keys[s]!=k:
-                raise ValueError("Two distinct elements with representation "
-                                 "%s " % s)
+            if original_keys[s] != k:
+                raise ValueError(
+                    'two distinct elements with representation {}'.format(s))
         else:
-            original_keys[s]=k
+            original_keys[s] = k
         elements[s].append(item)
     return [(original_keys[s], elements[s]) for s in sorted(elements)]