Format code.
diff --git a/protobuf.bzl b/protobuf.bzl
index a6ef20e..45dfc6c 100644
--- a/protobuf.bzl
+++ b/protobuf.bzl
@@ -9,10 +9,10 @@
 
 def CcOuts(srcs):
   return [s[:-len(".proto")] +  ".pb.h" for s in srcs] + \
-         [s[:-len(".proto")] +  ".pb.cc" for s in srcs]
+         [s[:-len(".proto")] + ".pb.cc" for s in srcs]
 
 def PyOuts(srcs):
-  return [s[:-len(".proto")] +  "_pb2.py" for s in srcs]
+  return [s[:-len(".proto")] + "_pb2.py" for s in srcs]
 
 def _proto_srcs_impl(ctx):
   """General implementation for calculating proto srcs"""
@@ -33,19 +33,19 @@
 
   if args:
     ctx.action(
-        inputs= srcs + deps,
+        inputs=srcs + deps,
         outputs=ctx.outputs.outs,
-        arguments= args + import_flags + [s.path for s in srcs],
+        arguments=args + import_flags + [s.path for s in srcs],
         executable=ctx.executable.protoc
     )
 
   return struct(
       proto=struct(
-            srcs = srcs,
-            import_flags = import_flags,
-            deps = deps,
-          ),
-      )
+          srcs=srcs,
+          import_flags=import_flags,
+          deps=deps,
+      ),
+  )
 
 _proto_srcs = rule(
     attrs = {
@@ -66,45 +66,45 @@
 )
 
 def cc_proto_library(
-    name,
-    srcs=[],
-    protoc=":protoc",
-    internal_bootstrap_hack=False,
-    prefix="",
-    proto_deps=[],
-    deps=[],
-    **kargs):
+        name,
+        srcs=[],
+        protoc=":protoc",
+        internal_bootstrap_hack=False,
+        prefix="",
+        proto_deps=[],
+        deps=[],
+        **kargs):
 
   if internal_bootstrap_hack:
     # For pre-checked-in generated files, we add the internal_bootstrap_hack
     # which will skip the codegen action.
     _proto_srcs(
-        name = name + "_genproto",
-        srcs = srcs,
-        deps = [s + "_genproto" for s in proto_deps],
-        prefix = prefix,
-        protoc = protoc,
+        name=name + "_genproto",
+        srcs=srcs,
+        deps=[s + "_genproto" for s in proto_deps],
+        prefix=prefix,
+        protoc=protoc,
     )
     # An empty cc_library to make rule dependency consistent.
     native.cc_library(
-        name = name,
+        name=name,
         **kargs)
     return
 
   outs = CcOuts(srcs)
   _proto_srcs(
-      name = name + "_genproto",
-      srcs = srcs,
-      deps = [s + "_genproto" for s in proto_deps],
-      prefix = prefix,
-      protoc = protoc,
-      gen_cc = 1,
-      outs = outs,
+      name=name + "_genproto",
+      srcs=srcs,
+      deps=[s + "_genproto" for s in proto_deps],
+      prefix=prefix,
+      protoc=protoc,
+      gen_cc=1,
+      outs=outs,
   )
 
   native.cc_library(
-      name = name,
-      srcs = outs,
-      deps = deps + proto_deps,
-      includes = [prefix],
+      name=name,
+      srcs=outs,
+      deps=deps + proto_deps,
+      includes=[prefix],
       **kargs)