Upgrade mypy 0.761 -> 0.770

https://mypy-lang.blogspot.com/2020/03/mypy-0770-released.html

.pre-commit-config.yaml

@@ -37,7 +37,7 @@ repos:
     -   id: pyupgrade
         args: [--py3-plus]
 -   repo: https://github.com/pre-commit/mirrors-mypy
-    rev: v0.761  # NOTE: keep this in sync with setup.py.
+    rev: v0.770  # NOTE: keep this in sync with setup.py.
     hooks:
     -   id: mypy
         files: ^(src/|testing/)

setup.py

@@ -31,7 +31,7 @@ def main():
                 "xmlschema",
             ],
             "checkqa-mypy": [
-                "mypy==v0.761",  # keep this in sync with .pre-commit-config.yaml.
+                "mypy==v0.770",  # keep this in sync with .pre-commit-config.yaml.
             ],
         },
         install_requires=INSTALL_REQUIRES,

src/_pytest/python_api.py

@@ -678,7 +678,7 @@ def raises(  # noqa: F811
     """
     __tracebackhide__ = True
     for exc in filterfalse(
-        inspect.isclass, always_iterable(expected_exception, BASE_TYPE)  # type: ignore[arg-type]  # noqa: F821
+        inspect.isclass, always_iterable(expected_exception, BASE_TYPE)
     ):
         msg = "exceptions must be derived from BaseException, not %s"
         raise TypeError(msg % type(exc))

src/_pytest/recwarn.py

@@ -139,18 +139,18 @@ class WarningsRecorder(warnings.catch_warnings):
     def __init__(self):
         super().__init__(record=True)
         self._entered = False
-        self._list = []  # type: List[warnings._Record]
+        self._list = []  # type: List[warnings.WarningMessage]
 
     @property
-    def list(self) -> List["warnings._Record"]:
+    def list(self) -> List["warnings.WarningMessage"]:
         """The list of recorded warnings."""
         return self._list
 
-    def __getitem__(self, i: int) -> "warnings._Record":
+    def __getitem__(self, i: int) -> "warnings.WarningMessage":
         """Get a recorded warning by index."""
         return self._list[i]
 
-    def __iter__(self) -> Iterator["warnings._Record"]:
+    def __iter__(self) -> Iterator["warnings.WarningMessage"]:
         """Iterate through the recorded warnings."""
         return iter(self._list)
 
@@ -158,7 +158,7 @@ class WarningsRecorder(warnings.catch_warnings):
         """The number of recorded warnings."""
         return len(self._list)
 
-    def pop(self, cls: "Type[Warning]" = Warning) -> "warnings._Record":
+    def pop(self, cls: "Type[Warning]" = Warning) -> "warnings.WarningMessage":
         """Pop the first recorded warning, raise exception if not exists."""
         for i, w in enumerate(self._list):
             if issubclass(w.category, cls):

src/_pytest/reports.py

@@ -55,7 +55,7 @@ class BaseReport:
 
     def toterminal(self, out) -> None:
         if hasattr(self, "node"):
-            out.line(getslaveinfoline(self.node))  # type: ignore
+            out.line(getslaveinfoline(self.node))
 
         longrepr = self.longrepr
         if longrepr is None:

src/_pytest/terminal.py

@@ -480,7 +480,7 @@ class TerminalReporter:
                     self._write_progress_information_filling_space()
             else:
                 self.ensure_newline()
-                self._tw.write("[%s]" % rep.node.gateway.id)  # type: ignore
+                self._tw.write("[%s]" % rep.node.gateway.id)
                 if self._show_progress_info:
                     self._tw.write(
                         self._get_progress_information_message() + " ", cyan=True