Run pre-commit: black, whitespaces, rst

xdist/report.py

@@ -11,16 +11,11 @@ def report_collection_diff(from_collection, to_collection, from_id, to_id):
     if from_collection == to_collection:
         return None
 
-    diff = unified_diff(
-        from_collection,
-        to_collection,
-        fromfile=from_id,
-        tofile=to_id,
-    )
+    diff = unified_diff(from_collection, to_collection, fromfile=from_id, tofile=to_id)
     error_message = (
-        u'Different tests were collected between {from_id} and {to_id}. '
-        u'The difference is:\n'
-        u'{diff}'
-    ).format(from_id=from_id, to_id=to_id, diff='\n'.join(diff))
+        u"Different tests were collected between {from_id} and {to_id}. "
+        u"The difference is:\n"
+        u"{diff}"
+    ).format(from_id=from_id, to_id=to_id, diff="\n".join(diff))
     msg = "\n".join([x.rstrip() for x in error_message.split("\n")])
     return msg