fix pylint and mypy errors

custom_components/pyscript/eval.py

@@ -1293,7 +1293,7 @@ async def ast_try(self, arg):
             for arg1 in arg.finalbody:
                 val = await self.aeval(arg1)
                 if isinstance(val, EvalStopFlow):
-                    return val  # pylint: disable=lost-exception
+                    return val  # pylint: disable=lost-exception,return-in-finally
         return None
 
     async def ast_raise(self, arg):

custom_components/pyscript/jupyter_kernel.py

@@ -344,6 +344,7 @@ async def shell_handler(self, shell_socket, wire_msg):
                 "code": msg["content"]["code"],
             }
             await self.send(self.iopub_socket, "execute_input", content, parent_header=msg["header"])
+            result = None
 
             code = msg["content"]["code"]
             #

setup.cfg

@@ -11,7 +11,7 @@ classifier =
     Intended Audience :: Developers
     License :: OSI Approved :: Apache Software License
     Operating System :: OS Independent
-    Programming Language :: Python :: 3.9
+    Programming Language :: Python :: 3.12
     Topic :: Home Automation
 
 [tool:pytest]
@@ -32,12 +32,14 @@ max-line-length = 109
 # E203: Whitespace before ':'
 # D202 No blank lines allowed after function docstring
 # W504 line break after binary operator
+# E231 missing whitespace after ':'
 ignore =
     E501,
     W503,
     E203,
     D202,
     W504
+    E231
 
 [isort]
 # https://github.com/timothycrosley/isort
@@ -58,7 +60,7 @@ forced_separate = tests
 combine_as_imports = true
 
 [mypy]
-python_version = 3.9
+python_version = 3.12
 ignore_errors = true
 follow_imports = silent
 ignore_missing_imports = true