refactor: pyupgrade in profile_images, programs, safe_sessions (#26953)

openedx/core/djangoapps/programs/models.py

@@ -1,7 +1,4 @@
 """Models providing Programs support for the LMS and Studio."""
-
-
-import six
 from config_models.models import ConfigurationModel
 from django.db import models
 from django.utils.translation import ugettext_lazy as _
@@ -15,7 +12,7 @@ class ProgramsApiConfig(ConfigurationModel):
 
     .. no_pii:
     """
-    class Meta(object):
+    class Meta:
         app_label = "programs"
 
     marketing_path = models.CharField(
@@ -31,7 +28,7 @@ class CustomProgramsConfig(ConfigurationModel):  # pylint: disable=model-missing
     """
     Manages configuration for a run of the backpopulate_program_credentials management command.
     """
-    class Meta(object):
+    class Meta:
         app_label = 'programs'
         verbose_name = 'backpopulate_program_credentials argument'
 
@@ -42,4 +39,4 @@ class CustomProgramsConfig(ConfigurationModel):  # pylint: disable=model-missing
     )
 
     def __str__(self):
-        return six.text_type(self.arguments)
+        return str(self.arguments)