[pre-commit.ci] auto fixes from pre-commit.com hooks

for more information, see https://pre-commit.ci

Author: pre-commit-ci[bot]

Dockerfile

@@ -3,4 +3,4 @@ WORKDIR /app
 COPY . .
 RUN pip install -e .
 RUN pip install pytest
-CMD ["/bin/bash"]
+CMD ["/bin/bash"]

Test.patch

@@ -1,15 +1,18 @@
-from attrs import define, field, validators
 import pytest
 
+from attrs import define, field, validators
+
+
 def test_default_factory_runs_after_required_validation():
     def make_b():
         return 10
 
     @define
     class Item:
         a: int = field(validator=validators.gt(0))
-        b: int = field(default=None, factory=make_b,
-                       validator=validators.gt(0))
+        b: int = field(
+            default=None, factory=make_b, validator=validators.gt(0)
+        )
 
     obj = Item(5)
     assert obj.b == 10
@@ -24,8 +27,9 @@ def cross_validate(instance, attribute, value):
     @define
     class Item:
         a: int = field()
-        b: int = field(default=None, factory=lambda: 5,
-                       validator=cross_validate)
+        b: int = field(
+            default=None, factory=lambda: 5, validator=cross_validate
+        )
 
     with pytest.raises(ValueError):
         Item(5)