[python][bug fix] Fix docstring type for multi namespaces

.chronus/changes/multi-namespace-doc-fix-2025-3-16-11-9-36.md

@@ -0,0 +1,7 @@
+---
+changeKind: fix
+packages:
+  - "@typespec/http-client-python"
+---
+
+Fix docstring type for multi namespaces

packages/http-client-python/generator/pygen/codegen/models/enum_type.py

@@ -52,7 +52,7 @@ def docstring_type(self, **kwargs: Any) -> str:
         """The python type used for RST syntax input and type annotation."""
 
         type_annotation = self.value_type.type_annotation(**kwargs)
-        enum_type_annotation = f"{self.code_model.namespace}.models.{self.name}"
+        enum_type_annotation = f"{self.enum_type.client_namespace}.models.{self.name}"
         return f"{type_annotation} or ~{enum_type_annotation}"
 
     def get_json_template_representation(
@@ -198,7 +198,7 @@ def docstring_type(self, **kwargs: Any) -> str:
         """The python type used for RST syntax input and type annotation."""
         if self.code_model.options["models_mode"]:
             type_annotation = self.value_type.type_annotation(**kwargs)
-            enum_type_annotation = f"{self.code_model.namespace}.models.{self.name}"
+            enum_type_annotation = f"{self.client_namespace}.models.{self.name}"
             return f"{type_annotation} or ~{enum_type_annotation}"
         return self.value_type.type_annotation(**kwargs)
 

packages/http-client-python/generator/pygen/codegen/models/model_type.py

@@ -292,7 +292,7 @@ def type_annotation(self, **kwargs: Any) -> str:
 
     def docstring_type(self, **kwargs: Any) -> str:
         type_annotation = self.type_annotation(need_model_alias=False, skip_quote=True, **kwargs)
-        return f"~{self.code_model.namespace}.models.{type_annotation}"
+        return f"~{self.client_namespace}.models.{type_annotation}"
 
     def docstring_text(self, **kwargs: Any) -> str:
         return self.name