Fix formatting

Author: franzpoeschel

examples/5_write_parallel.py

@@ -38,8 +38,8 @@
     # open file for writing
     series = io.Series(
         "../samples/5_parallel_write_py.bp"
-            if USE_JOINED_DIMENSION
-            else "../samples/5_parallel_write_py.h5",
+        if USE_JOINED_DIMENSION
+        else "../samples/5_parallel_write_py.h5",
         io.Access.create,
         comm
     )