style: Fix PEP8 whitespace issues in Python files

Done with `autopep8 --select=E2,W2`, fixes:

- E201 - Remove extraneous whitespace.
- E202 - Remove extraneous whitespace.
- E203 - Remove extraneous whitespace.
- E211 - Remove extraneous whitespace.
- E221 - Fix extraneous whitespace around keywords.
- E222 - Fix extraneous whitespace around keywords.
- E223 - Fix extraneous whitespace around keywords.
- E224 - Remove extraneous whitespace around operator.
- E225 - Fix missing whitespace around operator.
- E226 - Fix missing whitespace around operator.
- E227 - Fix missing whitespace around operator.
- E228 - Fix missing whitespace around operator.
- E231 - Add missing whitespace.
- E231 - Fix various deprecated code (via lib2to3).
- E241 - Fix extraneous whitespace around keywords.
- E242 - Remove extraneous whitespace around operator.
- E251 - Remove whitespace around parameter '=' sign.
- E261 - Fix spacing after comment hash.
- E262 - Fix spacing after comment hash.
- E265 - Format block comments.
- E271 - Fix extraneous whitespace around keywords.
- E272 - Fix extraneous whitespace around keywords.
- E273 - Fix extraneous whitespace around keywords.
- E274 - Fix extraneous whitespace around keywords.
- W291 - Remove trailing whitespace.
- W293 - Remove trailing whitespace.

1 files changed, 2 insertions, 2 deletions

diff --git a/scene/3d/SCsub b/scene/3d/SCsub
index 47825ea6c2..90e78ba8d3 100644
--- a/scene/3d/SCsub
+++ b/scene/3d/SCsub
@@ -3,11 +3,11 @@
 Import('env')
 
 
-if (env["disable_3d"]=="yes"):
+if (env["disable_3d"] == "yes"):
 
     env.scene_sources.append("3d/spatial.cpp")
     env.scene_sources.append("3d/skeleton.cpp")
 else:
-    env.add_source_files(env.scene_sources,"*.cpp")
+    env.add_source_files(env.scene_sources, "*.cpp")
 
 Export('env')