fix code, spotted thanks to pylint

NEWS.rst

@@ -2,6 +2,11 @@
 History
 *******
 
+3.0.1
+=====
+
+Fix code errors.
+
 3.0.0
 =====
 

__manifest__.py

@@ -21,7 +21,7 @@
     "name": "Converter",
     "license": "AGPL-3",
     "summary": "Convert odoo records to/from plain data structures.",
-    "version": "13.0.3.0.0",
+    "version": "13.0.3.0.1",
     "category": "Hidden",
     "author": "XCG Consulting",
     "website": "https://odoo.consulting/",

model.py

@@ -77,7 +77,7 @@
             try:
                 self.validator.validate(self._jsonschema, message_data)
             except jsonschema.exceptions.ValidationError as exception:
-                _logger.warning("Validation failed", exception)
+                _logger.warning("Validation failed", exc_info=1)
                 if self.validation == VALIDATION_STRICT:
                     raise exception
 

switch.py

@@ -111,7 +111,7 @@
             converter.validation = value
 
     def get__type__(self) -> Set[str]:
-        types = []
+        types = set()
         for _out_cond, _in_cond, converter in self._converters:
             types.update(converter.get__type__())
         return types