Merge pull request #60 from gashihiko/fix/decode-error-on-non-utf-8-environment

Fix decode error on non-utf8 environments

Author: Richardk2n

pylsp_mypy/plugin.py

@@ -234,9 +234,9 @@ def get_diagnostics(
     global tmpFile
     if live_mode and not is_saved:
         if tmpFile:
-            tmpFile = open(tmpFile.name, "w")
+            tmpFile = open(tmpFile.name, "w", encoding="utf-8")
         else:
-            tmpFile = tempfile.NamedTemporaryFile("w", delete=False)
+            tmpFile = tempfile.NamedTemporaryFile("w", delete=False, encoding="utf-8")
         log.info("live_mode tmpFile = %s", tmpFile.name)
         tmpFile.write(document.source)
         tmpFile.close()