update organize import trigger, update capabilities data, fix mypy (#654)

* update organize import trigger

* update capabilities data

* fix mypy error (jaconv is using a import hack)

.vscode/settings.json

@@ -12,7 +12,7 @@
   "editor.formatOnPaste": true,
   "python.formatting.provider": "black",
   "editor.codeActionsOnSave": {
-    "source.organizeImports": true
+    "source.organizeImports": "explicit"
   },
   "python.testing.unittestEnabled": false,
   "python.testing.pytestEnabled": true,

src/escpos/katakana.py

@@ -4,7 +4,10 @@
 I doubt that this currently works correctly.
 """
 
+import types
+import typing
 
+jaconv: typing.Optional[types.ModuleType]
 try:
     import jaconv
 except ImportError:

test/test_magicencode.py

@@ -7,7 +7,8 @@
 :copyright: Copyright (c) 2016 `python-escpos <https://github.com/python-escpos>`_
 :license: MIT
 """
-
+import types
+import typing
 
 import hypothesis.strategies as st
 import pytest
@@ -111,6 +112,7 @@ class TestMagicEncode:
             assert driver.output == b"\x1bt\x00? ist teuro."
 
 
+jaconv: typing.Optional[types.ModuleType]
 try:
     import jaconv
 except ImportError: