Fix formatting issues

Author: abylaw

src/bootstrap/bootstrap_test.py

@@ -193,14 +193,21 @@ def test_set_target(self):
         )
 
     def test_set_target_option(self):
-        build = serialize_and_parse(["--build=x86_64-unknown-linux-gnu", "--llvm-config=/usr/bin/llvm-config"])
+        build = serialize_and_parse([
+            "--build=x86_64-unknown-linux-gnu",
+            "--llvm-config=/usr/bin/llvm-config"
+        ])
         self.assertEqual(
-            build.get_toml("llvm-config", section="target.x86_64-unknown-linux-gnu"), "/usr/bin/llvm-config"
+            build.get_toml("llvm-config", section="target.x86_64-unknown-linux-gnu"),
+            "/usr/bin/llvm-config"
         )
 
     def test_set_targets(self):
         # Multiple targets can be set
-        build = serialize_and_parse(["--set", "target.x86_64-unknown-linux-gnu.cc=gcc", "--set", "target.aarch64-apple-darwin.cc=clang"])
+        build = serialize_and_parse([
+            "--set", "target.x86_64-unknown-linux-gnu.cc=gcc",
+            "--set", "target.aarch64-apple-darwin.cc=clang"
+        ])
         self.assertEqual(
             build.get_toml("cc", section="target.x86_64-unknown-linux-gnu"), "gcc"
         )

src/bootstrap/configure.py

@@ -434,7 +434,7 @@ def validate_args(args):
                 known_args[option.name] = []
             elif option.name in known_args and option.name != "set":
                 duplicate_args.append(option.name)
-                
+
             known_args[option.name].append((option, value))
             break
 
@@ -624,10 +624,12 @@ def write_config_toml(f, config):
     section = []
     block = []
 
+    i = 0
     # Drop the initial comment block
-    for i, line in enumerate(lines):
+    for line in lines:
         if not line.startswith("#"):
             break
+        i += 1
 
     for line in lines[i:]:
         if line.startswith("["):