Fixed several typing issues.

Author: jonathanslenders

ptpython/python_input.py

@@ -388,7 +388,7 @@ def __init__(
         # Create an app if requested. If not, the global get_app() is returned
         # for self.app via property getter.
         if create_app:
-            self._app = self._create_application(input, output)
+            self._app: Optional[Application] = self._create_application(input, output)
             # Setting vi_mode will not work unless the prompt_toolkit
             # application has been created.
             if vi_mode:

ptpython/repl.py

@@ -294,7 +294,7 @@ def _compile_with_flags(self, code: str, mode: str):
             dont_inherit=True,
         )
 
-    def _format_result_output(self, result: object) -> AnyFormattedText:
+    def _format_result_output(self, result: object) -> StyleAndTextTuples:
         """
         Format __repr__ for an `eval` result.
 
@@ -312,7 +312,7 @@ def _format_result_output(self, result: object) -> AnyFormattedText:
         except BaseException as e:
             # Calling repr failed.
             self._handle_exception(e)
-            return None
+            return []
 
         try:
             compile(result_repr, "", "eval")
@@ -502,7 +502,7 @@ def create_pager_prompt(self) -> PromptSession["PagerResult"]:
         """
         return create_pager_prompt(self._current_style, self.title)
 
-    def _format_exception_output(self, e: BaseException) -> AnyFormattedText:
+    def _format_exception_output(self, e: BaseException) -> PygmentsTokens:
         # Instead of just calling ``traceback.format_exc``, we take the
         # traceback and skip the bottom calls of this framework.
         t, v, tb = sys.exc_info()
@@ -531,15 +531,15 @@ def _format_exception_output(self, e: BaseException) -> AnyFormattedText:
             tokens = list(_lex_python_traceback(tb_str))
         else:
             tokens = [(Token, tb_str)]
-        return tokens
+        return PygmentsTokens(tokens)
 
     def _handle_exception(self, e: BaseException) -> None:
         output = self.app.output
 
         tokens = self._format_exception_output(e)
 
         print_formatted_text(
-            PygmentsTokens(tokens),
+            tokens,
             style=self._current_style,
             style_transformation=self.style_transformation,
             include_default_pygments_style=False,