chore(pylint): Reenable raise-missing-from check (#16266)

Co-authored-by: John Bodley <john.bodley@airbnb.com>

superset/views/database/mixins.py

@@ -242,7 +242,7 @@ class DatabaseMixin:
         except Exception as ex:
             raise Exception(
                 _("Extra field cannot be decoded by JSON. %(msg)s", msg=str(ex))
-            )
+            ) from ex
 
         # this will check whether 'metadata_params' is configured correctly
         metadata_signature = inspect.signature(MetaData)
@@ -266,4 +266,4 @@ class DatabaseMixin:
         except Exception as ex:
             raise Exception(
                 _("Extra field cannot be decoded by JSON. %(msg)s", msg=str(ex))
-            )
+            ) from ex

superset/views/database/validators.py

@@ -34,7 +34,7 @@ def sqlalchemy_uri_validator(
     """
     try:
         make_url(uri.strip())
-    except (ArgumentError, AttributeError):
+    except (ArgumentError, AttributeError) as ex:
         raise exception(
             [
                 _(
@@ -45,7 +45,7 @@ def sqlalchemy_uri_validator(
                     "</p>"
                 )
             ]
-        )
+        ) from ex
 
 
 def schema_allows_csv_upload(database: Database, schema: Optional[str]) -> bool:

superset/views/database/views.py

@@ -65,7 +65,7 @@ def certificate_form_validator(_: _, field: StringField) -> None:
         try:
             utils.parse_ssl_cert(field.data)
         except CertificateException as ex:
-            raise ValidationError(ex.message)
+            raise ValidationError(ex.message) from ex
 
 
 def upload_stream_write(form_file_field: "FileStorage", path: str) -> None: