Fix indentation bug in _version.py.bld (#4)

dockerutils/gen_version.py

@@ -26,21 +26,21 @@ def gen_version_file(filename='_version.py.bld'):
         sys.path = orig_path
         with open(filename, 'w') as text_file:
             text_file.write("""
-    # This file was generated by build-image invoking versioneer.py. It is generated
-    # from revision-control system data and simulates the pre-generated copy of this
-    # file produced by Versioneer for distribution tarballs.
-    
-    import json
-    
-    version_json = '''
-    {}
-    '''  # END VERSION_JSON
-    
-    
-    def get_versions():
-        return json.loads(version_json)
-    
-    """.format(json.dumps(version, sort_keys=True, indent=4, separators=(',', ': '))))
+# This file was generated by build-image invoking versioneer.py. It is generated
+# from revision-control system data and simulates the pre-generated copy of this
+# file produced by Versioneer for distribution tarballs.
+
+import json
+
+version_json = '''
+{}
+'''  # END VERSION_JSON
+
+
+def get_versions():
+    return json.loads(version_json)
+
+""".format(json.dumps(version, sort_keys=True, indent=4, separators=(',', ': '))))
     except Exception as e:
         if not str(type(e)) in ["<class \'versioneer.VersioneerBadRootError\'>", "<class \'ModuleNotFoundError\'>"]:
             raise(e)