Fix py27 oddity with trailing commas

Author: agjohnson

readthedocs/doc_builder/python_environments.py

@@ -78,7 +78,7 @@ def install_package(self):
                 self.project.pip_cache_path,
                 '.{0}'.format(extra_req_param),
                 cwd=self.checkout_path,
-                bin_path=self.venv_bin()
+                bin_path=self.venv_bin(),
             )
         elif self.config.python.install_with_setup:
             self.build_env.run(
@@ -87,7 +87,7 @@ def install_package(self):
                 'install',
                 '--force',
                 cwd=self.checkout_path,
-                bin_path=self.venv_bin()
+                bin_path=self.venv_bin(),
             )
 
     def venv_bin(self, filename=None):
@@ -269,7 +269,7 @@ def install_core_requirements(self):
         self.build_env.run(
             *cmd,
             bin_path=self.venv_bin(),
-            cwd=self.checkout_path,
+            cwd=self.checkout_path  # noqa - no comma here in py27 :/
         )
 
     def install_user_requirements(self):
@@ -304,7 +304,7 @@ def install_user_requirements(self):
             self.build_env.run(
                 *args,
                 cwd=self.checkout_path,
-                bin_path=self.venv_bin()
+                bin_path=self.venv_bin()  # noqa - no comma here in py27 :/
             )
 
 
@@ -368,7 +368,7 @@ def install_core_requirements(self):
         cmd.extend(requirements)
         self.build_env.run(
             *cmd,
-            cwd=self.checkout_path,
+            cwd=self.checkout_path  # noqa - no comma here in py27 :/
         )
 
         pip_cmd = [
@@ -383,7 +383,7 @@ def install_core_requirements(self):
         self.build_env.run(
             *pip_cmd,
             bin_path=self.venv_bin(),
-            cwd=self.checkout_path,
+            cwd=self.checkout_path  # noqa - no comma here in py27 :/
         )
 
     def install_user_requirements(self):