[mypy] Fix all 'Redundant cast to Literal' fixed in new mypy version

Author: Pierre-Sassoulas

pylint/checkers/base/basic_checker.py

@@ -70,7 +70,6 @@ def report_by_type_stats(
     # percentage of different types documented and/or with a bad name
     nice_stats: dict[str, dict[str, str]] = {}
     for node_type in ("module", "class", "method", "function"):
-        node_type = cast(Literal["function", "class", "method", "module"], node_type)
         total = stats.get_node_count(node_type)
         nice_stats[node_type] = {}
         if total != 0:

pylint/checkers/raw_metrics.py

@@ -5,7 +5,7 @@
 from __future__ import annotations
 
 import tokenize
-from typing import TYPE_CHECKING, Any, Literal, cast
+from typing import TYPE_CHECKING, Any, Literal
 
 from pylint.checkers import BaseTokenChecker
 from pylint.reporters.ureports.nodes import Paragraph, Section, Table, Text
@@ -25,7 +25,6 @@ def report_raw_stats(
     sect.insert(0, Paragraph([Text(f"{total_lines} lines have been analyzed\n")]))
     lines = ["type", "number", "%", "previous", "difference"]
     for node_type in ("code", "docstring", "comment", "empty"):
-        node_type = cast(Literal["code", "docstring", "comment", "empty"], node_type)
         total = stats.code_type_count[node_type]
         percent = float(total * 100) / total_lines if total_lines else None
         old = old_stats.code_type_count[node_type] if old_stats else None

pylint/lint/report_functions.py

@@ -6,11 +6,9 @@
 
 import collections
 from collections import defaultdict
-from typing import cast
 
 from pylint import checkers, exceptions
 from pylint.reporters.ureports.nodes import Section, Table
-from pylint.typing import MessageTypesFullName
 from pylint.utils import LinterStats
 
 
@@ -56,7 +54,6 @@ def report_messages_by_module_stats(
         raise exceptions.EmptyReportError()
     by_mod: defaultdict[str, dict[str, int | float]] = collections.defaultdict(dict)
     for m_type in ("fatal", "error", "warning", "refactor", "convention"):
-        m_type = cast(MessageTypesFullName, m_type)
         total = stats.get_global_message_count(m_type)
         for module in module_stats.keys():
             mod_total = stats.get_module_message_count(module, m_type)