Fixing mypy and flake8 lint

src/sqlfluff_easy_ql/LT01.py

@@ -4,6 +4,7 @@
 
 from sqlfluff.core.parser import NewlineSegment, WhitespaceSegment
 from sqlfluff.core.rules import BaseRule, LintFix, LintResult, RuleContext
+from sqlfluff.core.parser.segments.base import BaseSegment
 from sqlfluff.core.rules.crawlers import SegmentSeekerCrawler
 
 
@@ -21,9 +22,14 @@ class Rule_EasyQL_LT01(BaseRule):
     })
     is_fix_compatible = True
 
-    def _aux_fix(self, segments, object_name_segment, object_name_idx) -> List[LintFix]:
+    def _aux_fix(
+            self,
+            segments,
+            object_name_segment,
+            object_name_idx
+    ) -> List[LintFix]:
         """Applies the fix logic for the different possible cases."""
-        fix_segments = list()
+        fix_segments: List[BaseSegment] = list()
 
         # check whether there is a newline
         if segments[object_name_idx-2].type != "newline" and \
@@ -47,19 +53,23 @@ def _eval(self, context: RuleContext) -> List[LintResult]:
         obj_reference = context.segment.type.split("_")[1] + "_reference"
         table_name_idx, table_name_segment = next(
             ((idx, s) for idx, s in enumerate(segments)
-                if s.type == obj_reference or s.type == "function_name")  # in procedures is function_name
+                if s.type == obj_reference or s.type == "function_name")
         )
 
         # assert that there is a newline and 4 spaces before the name
         if segments[table_name_idx-2].type == "newline" and \
                 segments[table_name_idx-1].type == "whitespace" and \
                 len(segments[table_name_idx-1].raw) == 4:
-            return None
+            return list()
         else:  # apply fixes and return lint result
-            fixes_to_apply = self._aux_fix(segments, table_name_segment, table_name_idx)
+            fixes_to_apply = self._aux_fix(
+                segments, table_name_segment, table_name_idx
+            )
 
-            return LintResult(
+            return [
+                LintResult(
                     anchor=table_name_segment,
                     fixes=fixes_to_apply,
-                    description="The name of the created object must be in a new line and indented."
+                    description="The name of the created object must be in a new line and indented."  # noqa: E501
                 )
+            ]

src/sqlfluff_easy_ql/rules.py

@@ -53,4 +53,3 @@ def _eval(self, context: RuleContext):
             if "1=1" in seg.raw_upper.replace(" ", ""):
                 return LintResult(anchor=seg)
         return None
-