ep13b: Fix formatting

Author: obiwac

episode-13/src/save.py

@@ -57,7 +57,7 @@ def load_chunk(self, chunk_position):
 					pickle.dump(blocks, f)
 
 			except FileNotFoundError:
-				return # Fail quietly if chunk file not found.
+				return  # Fail quietly if chunk file not found.
 
 		# Create chunk and fill it with the blocks from our chunk file.