Use "python3" for Python scripts

genversion.py

-#!/usr/bin/env python2
+#!/usr/bin/env python3
 
 ################################################################################
 ## Script to generate version numbers from git tags.                          ##
@@ -20,7 +20,10 @@
 ## along with this program.  If not, see <http://www.gnu.org/licenses/>.      ##
 ################################################################################
 
-import os, subprocess, sys, argparse
+import os
+import sys
+import argparse
+import subprocess
 
 def removePrefix(s, prefix):
     if s.startswith(prefix):
@@ -42,7 +45,8 @@ class SoftwareVersion:
         self.patch = patch
         self.miniPatch = miniPatch
 
-        if self.patch == None: assert self.miniPatch == None
+        if self.patch is None:
+            assert self.miniPatch is None
 
     def toString(self):
         ret = "{0}.{1}".format(self.major, self.minor)
@@ -58,6 +62,13 @@ class SoftwareVersion:
 class GitDescribe:
     def __init__(self, description):
         self.description = description
+        self.versionFragments = None
+        self.numberOfCommits = None
+        self.versionTriplet = None
+        self.commitHash = None
+        self.miniPatch = None
+        self.version = None
+        self.dirty = None
         self.parse()
 
     def parse(self):
@@ -68,7 +79,7 @@ class GitDescribe:
         if self.dirty:
             parts = parts[0:len(parts)-len("-dirty")]
 
-        # Trim any preceeding "v" or "R" in the version, if any
+        # Trim any preceding "v" or "R" in the version, if any
         parts = removePrefix(parts, "v")
         parts = removePrefix(parts, "R_")
 
@@ -96,7 +107,7 @@ class GitDescribe:
                 break
 
         if not self.versionFragments:
-            raise Exception("Unable to parse vresion fragments of {0}".format(self.description))
+            raise Exception("Unable to parse version fragments of {0}".format(self.description))
 
         if len(self.versionFragments) != 2 and len(self.versionFragments) != 3:
             raise Exception("Unable to understand version fragments ({0}) of {1}".format(self.versionFragments, self.description))

repo-manager.py

-#!/usr/bin/env python
+#!/usr/bin/env python3
 # Author: Georgios Bitzes <georgios.bitzes@cern.ch>
 
-import os, subprocess, sys, inspect, argparse, re, shutil, errno
+import os, subprocess, sys, argparse, re, shutil, errno
 
 DRY_RUN = False
 NO_CREATE_REPO = False