[bin][util] make common.py PEP8-compliant

bin/util/common.py

@@ -3,12 +3,14 @@ import sys
 import functools
 import subprocess
 
+
 # execute a command and retrieve the output
 def runCommand(command):
     try:
-        return subprocess.run(command, shell=True, check=True,
+        return subprocess.run(command,
+                              shell=True, check=True,
                               text=True, capture_output=True).stdout
-    except Exception as e:
+    except Exception:
         print()
         print("An error occurred during subprocess run:")
         print("-- command: {}".format(command))
@@ -16,11 +18,12 @@ def runCommand(command):
         print("-- error: {}".format(sys.exc_info()[1]))
         if "git " in command:
             print()
-            print("It seems that a git command failed. Please check:\n" \
-                  "    -- is the module registered as git repository?\n" \
+            print("It seems that a git command failed. Please check:\n"
+                  "    -- is the module registered as git repository?\n"
                   "    -- is upstream defined for the branch?\n")
         raise
 
+
 # decorator to call function from within the given path
 def callFromPath(path):
     def decorator_callFromPath(callFunc):