diff --git a/pylib/gyp/__init__.py b/pylib/gyp/__init__.py
index c9c94869..976d5b6a 100755
--- a/pylib/gyp/__init__.py
+++ b/pylib/gyp/__init__.py
@@ -104,12 +104,16 @@ def Load(
         default_variables.setdefault(key, val)
 
     output_dir = params["options"].generator_output or params["options"].toplevel_dir
-    if (default_variables['GENERATOR'] == 'ninja'):
-      default_variables.setdefault("PRODUCT_DIR_ABS", os.path.join(output_dir,
-          'out', default_variables['build_type']))
+    if default_variables["GENERATOR"] == "ninja":
+        default_variables.setdefault(
+            "PRODUCT_DIR_ABS",
+            os.path.join(output_dir, "out", default_variables["build_type"]),
+        )
     else:
-      default_variables.setdefault("PRODUCT_DIR_ABS", os.path.join(output_dir,
-          default_variables['CONFIGURATION_NAME']))
+        default_variables.setdefault(
+            "PRODUCT_DIR_ABS",
+            os.path.join(output_dir, default_variables["CONFIGURATION_NAME"]),
+        )
 
     # Give the generator the opportunity to set additional variables based on
     # the params it will receive in the output phase.
diff --git a/pylib/gyp/generator/make.py b/pylib/gyp/generator/make.py
index b59ce60d..e225326e 100644
--- a/pylib/gyp/generator/make.py
+++ b/pylib/gyp/generator/make.py
@@ -158,12 +158,12 @@ def CalculateGeneratorInputInfo(params):
 
 # Note: this does not handle spaces in paths
 define xargs
-	$(1) $(word 1,$(2))
+  $(1) $(word 1,$(2))
 $(if $(word 2,$(2)),$(call xargs,$(1),$(wordlist 2,$(words $(2)),$(2))))
 endef
 
 define write-to-file
-	@: >$(1)
+  @: >$(1)
 $(call xargs,@printf "%s\\n" >>$(1),$(2))
 endef
 
@@ -227,12 +227,12 @@ def CalculateGeneratorInputInfo(params):
 
 # Note: this does not handle spaces in paths
 define xargs
-	$(1) $(word 1,$(2))
+  $(1) $(word 1,$(2))
 $(if $(word 2,$(2)),$(call xargs,$(1),$(wordlist 2,$(words $(2)),$(2))))
 endef
 
 define write-to-file
-	@: >$(1)
+  @: >$(1)
 $(call xargs,@printf "%s\\n" >>$(1),$(2))
 endef