[pre-commit.ci] auto fixes from pre-commit.com hooks

for more information, see https://pre-commit.ci

Author: pre-commit-ci[bot]

mypyc/irbuild/for_helpers.py

@@ -242,13 +242,13 @@ def sequence_from_generator_preallocate_helper(
         rtype = builder.node_type(sequence_expr)
         if not (is_sequence_rprimitive(rtype) or isinstance(rtype, RTuple)):
             return None
-            
+
         if isinstance(rtype, RTuple):
             # If input is RTuple, box it to tuple_rprimitive for generic iteration
             # TODO: this can be optimized a bit better with an unrolled ForRTuple helper
             proper_type = get_proper_type(builder.types[sequence_expr])
             assert isinstance(proper_type, TupleType), proper_type
-            
+
             # the for_loop_helper_with_index crashes for empty tuples, bail out
             if not proper_type.items:
                 return None
@@ -268,13 +268,13 @@ def sequence_from_generator_preallocate_helper(
                     )
                     for i, typ in enumerate(proper_types)
                 ]
-            
+
             items = list(map(builder.add, get_item_ops))
             sequence = builder.new_tuple(items, line)
-            
+
         else:
             sequence = builder.accept(sequence_expr)
-        
+
         length = get_expr_length_value(builder, sequence_expr, sequence, line, use_pyssize_t=True)
 
         target_op = empty_op_llbuilder(length, line)