Merge branch 'lint/py3-classes' into 'master'

Consequently use Python 3-style classes

See merge request ungleich-public/cdist!898

cdist/core/cdist_object.py

@@ -47,7 +47,7 @@ class MissingObjectIdError(cdist.Error):
         return '%s' % (self.message)
 
 
-class CdistObject(object):
+class CdistObject:
     """Represents a cdist object.
 
     All interaction with objects in cdist should be done through this class.

cdist/core/cdist_type.py

@@ -38,7 +38,7 @@ class InvalidTypeError(cdist.Error):
                 self.type_path, self.type_absolute_path, self.source_path)
 
 
-class CdistType(object):
+class CdistType:
     """Represents a cdist type.
 
     All interaction with types in cdist should be done through this class.

cdist/core/code.py

@@ -92,7 +92,7 @@ code-remote
 '''
 
 
-class Code(object):
+class Code:
     """Generates and executes cdist code scripts.
 
     """

cdist/core/explorer.py

@@ -63,7 +63,7 @@ type explorer is:
 '''
 
 
-class Explorer(object):
+class Explorer:
     """Executes cdist explorers.
 
     """

cdist/core/manifest.py

@@ -92,7 +92,7 @@ class NoInitialManifestError(cdist.Error):
         return repr(self.message)
 
 
-class Manifest(object):
+class Manifest:
     """Executes cdist manifests.
 
     """