Update to mypy 0.9 (#638)

.pre-commit-config.yaml

@@ -9,6 +9,9 @@ repos:
       - id: nbqa-pyupgrade
         args: [--py37-plus]
   - repo: https://github.com/pre-commit/mirrors-mypy
-    rev: v0.812
+    rev: v0.942
     hooks:
       - id: mypy
+        additional_dependencies: [
+          types-requests>=2.25.0,
+        ]

alibi/explainers/anchor_tabular.py

@@ -1150,7 +1150,7 @@ def fit(self,  # type: ignore[override]
         d_samplers = []
         for sampler in samplers:
             d_samplers.append(
-                DistributedAnchorTabular.ray.remote(RemoteSampler).remote(
+                DistributedAnchorTabular.ray.remote(RemoteSampler).remote(  # type: ignore[call-overload]
                     *(train_data_id, d_train_data_id, sampler)
                 )
             )

alibi/explainers/cfproto.py

@@ -192,7 +192,7 @@ def __init__(self,
             self.map_cat_to_num = tf.ragged.constant([np.zeros(v) for _, v in cat_vars.items()])
 
             # define placeholder for mapping which can be fed after the fit step
-            max_key = max(cat_vars, key=cat_vars.get)  # type: ignore[type-var] # feature with the most categories
+            max_key = max(cat_vars, key=cat_vars.get)  # type: ignore[arg-type] # feature with the most categories
             self.max_cat = cat_vars[max_key]
             cat_keys = list(cat_vars.keys())
             n_cat = len(cat_keys)
@@ -1059,7 +1059,7 @@ def compare(x: Union[float, int, np.ndarray], y: int) -> bool:
                 self.class_proto[c] = self.X_by_class[c][idx_c[0][-1]].reshape(1, -1)
 
         if self.enc_or_kdtree:
-            self.id_proto = min(dist_proto, key=dist_proto.get)  # type: ignore[type-var]
+            self.id_proto = min(dist_proto, key=dist_proto.get)  # type: ignore[arg-type]
             proto_val = self.class_proto[self.id_proto]
             if verbose:
                 print('Prototype class: {}'.format(self.id_proto))

requirements/dev.txt

@@ -1,7 +1,8 @@
 # development dependencies (see docs.txt for documentation building dependencies)
 # linting and static type-checking
 flake8>=3.7.7, <5.0.0
-mypy>=0.670, <0.900
+mypy~= 0.900
+types-requests>=2.25.0, <3.0.0
 # testing
 pytest>=5.3.5, <7.0.0
 pytest-cov>=2.6.1, <4.0.0