Merge pull request #1576 from ArneVoss/bugfix_temporary_config_file

Bugfix: temporary config filename

Author: pcarruscag

AUTHORS.md

@@ -54,6 +54,7 @@ Andrew Wendorff
 Aniket C. Aranake
 Antonio Rubino
 Arne Bachmann
+Arne Voß
 Beckett Y. Zhou
 Benjamin S. Kirk
 Brendan Tracey

SU2_PY/SU2/io/config.py

@@ -829,7 +829,7 @@ def read_config(filename):
 def write_config(filename,param_dict):
     """ updates an existing config file """
 
-    temp_filename = "temp.cfg"
+    temp_filename = filename+"_tmp"
     shutil.copy(filename,temp_filename)
     output_file = open(filename,"w")