Run black on template.py

docxtpl/template.py

@@ -887,34 +887,36 @@ class DocxTemplate(object):
         self.is_saved = True
 
     def get_undeclared_template_variables(
-        self, jinja_env: Optional[Environment] = None, context: Optional[Dict[str, Any]] = None
+        self,
+        jinja_env: Optional[Environment] = None,
+        context: Optional[Dict[str, Any]] = None,
     ) -> Set[str]:
         # Create a temporary document to analyze the template without affecting the current state
         temp_doc = Document(self.template_file)
-        
+
         # Get XML from the temporary document
         xml = self.xml_to_string(temp_doc._element.body)
         xml = self.patch_xml(xml)
-        
+
         # Add headers and footers
         for uri in [self.HEADER_URI, self.FOOTER_URI]:
             for relKey, val in temp_doc._part.rels.items():
                 if (val.reltype == uri) and (val.target_part.blob):
                     _xml = self.xml_to_string(parse_xml(val.target_part.blob))
                     xml += self.patch_xml(_xml)
-        
+
         if jinja_env:
             env = jinja_env
         else:
             env = Environment()
-        
+
         parse_content = env.parse(xml)
         all_variables = meta.find_undeclared_variables(parse_content)
-        
+
         # If context is provided, return only variables that are not in the context
         if context is not None:
             provided_variables = set(context.keys())
             return all_variables - provided_variables
-        
+
         # If no context provided, return all variables (original behavior)
-        return all_variables
+        return all_variables