Bump mypy to v0.761 (#3704)

Author: crusaderky

.pre-commit-config.yaml

@@ -11,7 +11,7 @@ repos:
     hooks:
       - id: flake8
   - repo: https://github.com/pre-commit/mirrors-mypy
-    rev: v0.730  # Must match ci/requirements/*.yml
+    rev: v0.761  # Must match ci/requirements/*.yml
     hooks:
       - id: mypy
   # run these occasionally, ref discussion https://github.com/pydata/xarray/pull/3194

ci/requirements/py36-min-all-deps.yml

@@ -25,7 +25,7 @@ dependencies:
   - iris=2.2
   - lxml=4.4  # Optional dep of pydap
   - matplotlib=3.1
-  - mypy=0.730  # Must match .pre-commit-config.yaml
+  - mypy=0.761  # Must match .pre-commit-config.yaml
   - nc-time-axis=1.2
   - netcdf4=1.4
   - numba=0.44

ci/requirements/py36.yml

@@ -21,7 +21,7 @@ dependencies:
   - iris
   - lxml    # optional dep of pydap
   - matplotlib
-  - mypy=0.730  # Must match .pre-commit-config.yaml
+  - mypy=0.761  # Must match .pre-commit-config.yaml
   - nc-time-axis
   - netcdf4
   - numba

ci/requirements/py37-windows.yml

@@ -21,7 +21,7 @@ dependencies:
   - iris
   - lxml    # Optional dep of pydap
   - matplotlib
-  - mypy=0.730  # Must match .pre-commit-config.yaml
+  - mypy=0.761  # Must match .pre-commit-config.yaml
   - nc-time-axis
   - netcdf4
   - numba

ci/requirements/py37.yml

@@ -21,7 +21,7 @@ dependencies:
   - iris
   - lxml    # Optional dep of pydap
   - matplotlib
-  - mypy=0.730  # Must match .pre-commit-config.yaml
+  - mypy=0.761  # Must match .pre-commit-config.yaml
   - nc-time-axis
   - netcdf4
   - numba

xarray/core/computation.py

@@ -304,7 +304,7 @@ def _as_variables_or_variable(arg):
 def _unpack_dict_tuples(
     result_vars: Mapping[Hashable, Tuple[Variable, ...]], num_outputs: int
 ) -> Tuple[Dict[Hashable, Variable], ...]:
-    out = tuple({} for _ in range(num_outputs))  # type: ignore
+    out: Tuple[Dict[Hashable, Variable], ...] = tuple({} for _ in range(num_outputs))
     for name, values in result_vars.items():
         for value, results_dict in zip(values, out):
             results_dict[name] = value

xarray/core/dataset.py

@@ -897,11 +897,11 @@ def _replace(
             if dims is not None:
                 self._dims = dims
             if attrs is not _default:
-                self._attrs = attrs  # type: ignore # FIXME need mypy 0.750
+                self._attrs = attrs
             if indexes is not _default:
-                self._indexes = indexes  # type: ignore # FIXME need mypy 0.750
+                self._indexes = indexes
             if encoding is not _default:
-                self._encoding = encoding  # type: ignore # FIXME need mypy 0.750
+                self._encoding = encoding
             obj = self
         else:
             if variables is None: