[Format] Apply update black format (#1168)

Makefile

@@ -19,7 +19,7 @@ format:
 check:
 	black pgx --check --diff
 	blackdoc pgx --check
-	flake8 --config pyproject.toml --ignore E203,E501,W503,E741 pgx
+	flake8 --config pyproject.toml --ignore E203,E501,W503,E704,E741 pgx
 	mypy --config pyproject.toml pgx  --ignore-missing-imports
 	isort pgx --check --diff
 

pgx/_src/games/__init__.py

@@ -9,20 +9,14 @@
 
 @runtime_checkable
 class GameProtocol(Protocol[T]):
-    def init(self) -> T:
-        ...
+    def init(self) -> T: ...
 
-    def step(self, state: T, action: Array) -> T:
-        ...
+    def step(self, state: T, action: Array) -> T: ...
 
-    def observe(self, state: T, color: Optional[Array] = None) -> Array:
-        ...
+    def observe(self, state: T, color: Optional[Array] = None) -> Array: ...
 
-    def legal_action_mask(self, state: T) -> Array:
-        ...
+    def legal_action_mask(self, state: T) -> Array: ...
 
-    def is_terminal(self, state: T) -> Array:
-        ...
+    def is_terminal(self, state: T) -> Array: ...
 
-    def rewards(self, state: T) -> Array:
-        ...
+    def rewards(self, state: T) -> Array: ...

pgx/core.py

@@ -170,8 +170,7 @@ class Env(abc.ABC):
 
     """
 
-    def __init__(self):
-        ...
+    def __init__(self): ...
 
     def init(self, key: PRNGKey) -> State:
         """Return the initial state. Note that no internal state of