[gardening] PEP-8 fixes.

Author: practicalswift

Diff for: test/stdlib/NSNumberBridging.swift.gyb

@@ -124,8 +124,8 @@ nsNumberBridging.test("${Type}") {
 % end
 
 %{
-allBridgedTypes = [Type for Type, _, _ in bridgedFixedPointTypes] + \
-                  [Type for Type, _ in bridgedFloatTypes]
+allBridgedTypes = [type_name for type_name, _, _ in bridgedFixedPointTypes] + \
+                  [type_name for type_name, _ in bridgedFloatTypes]
 }%
 
 % for AType in allBridgedTypes:

Diff for: utils/gyb_foundation_support.py

@@ -40,6 +40,7 @@ def ObjectiveCBridgeableImplementationForNSValue(Type):
 }}
 """.format(Type=Type)
 
+
 def ObjectiveCBridgeableImplementationForNSValueWithCategoryMethods(
   Type,
   initializer,

Diff for: utils/swift_build_support/tests/products/test_swift.py

@@ -264,4 +264,3 @@ def test_benchmark_flags(self):
             ['-DSWIFT_BENCHMARK_NUM_ONONE_ITERATIONS=10',
              '-DSWIFT_BENCHMARK_NUM_O_ITERATIONS=25'],
             swift.cmake_options)
-