[red-knot] Autoformat mdtest Python snippets using blacken-docs (#13809)

crates/red_knot_python_semantic/resources/mdtest/subscript/bytes.md

@@ -3,8 +3,8 @@
 ## Simple
 
 ```py
-reveal_type(b'red' b'knot')  # revealed: Literal[b"redknot"]
-reveal_type(b'hello')  # revealed: Literal[b"hello"]
-reveal_type(b'world' + b'!')  # revealed: Literal[b"world!"]
-reveal_type(b'\xff\x00')  # revealed: Literal[b"\xff\x00"]
+reveal_type(b"red" b"knot")  # revealed: Literal[b"redknot"]
+reveal_type(b"hello")  # revealed: Literal[b"hello"]
+reveal_type(b"world" + b"!")  # revealed: Literal[b"world!"]
+reveal_type(b"\xff\x00")  # revealed: Literal[b"\xff\x00"]
 ```

crates/red_knot_python_semantic/resources/mdtest/subscript/class.md

@@ -3,7 +3,9 @@
 ## Class getitem unbound
 
 ```py
-class NotSubscriptable: pass
+class NotSubscriptable: ...
+
+
 a = NotSubscriptable[0]  # error: "Cannot subscript object of type `Literal[NotSubscriptable]` with no `__class_getitem__` method"
 ```
 
@@ -14,6 +16,7 @@ class Identity:
     def __class_getitem__(cls, item: int) -> str:
         return item
 
+
 reveal_type(Identity[0])  # revealed: str
 ```
 
@@ -22,15 +25,20 @@ reveal_type(Identity[0])  # revealed: str
 ```py
 flag = True
 
-class Identity:
+
+class UnionClassGetItem:
     if flag:
+
         def __class_getitem__(cls, item: int) -> str:
             return item
+
     else:
+
         def __class_getitem__(cls, item: int) -> int:
             return item
 
-reveal_type(Identity[0])  # revealed: str | int
+
+reveal_type(UnionClassGetItem[0])  # revealed: str | int
 ```
 
 ## Class getitem with class union
@@ -38,21 +46,21 @@ reveal_type(Identity[0])  # revealed: str | int
 ```py
 flag = True
 
-class Identity1:
+
+class A:
     def __class_getitem__(cls, item: int) -> str:
         return item
 
-class Identity2:
+
+class B:
     def __class_getitem__(cls, item: int) -> int:
         return item
 
-if flag:
-    a = Identity1
-else:
-    a = Identity2
 
-reveal_type(a)  # revealed: Literal[Identity1, Identity2]
-reveal_type(a[0])  # revealed: str | int
+x = A if flag else B
+
+reveal_type(x)  # revealed: Literal[A, B]
+reveal_type(x[0])  # revealed: str | int
 ```
 
 ## Class getitem with unbound method union
@@ -61,14 +69,19 @@ reveal_type(a[0])  # revealed: str | int
 flag = True
 
 if flag:
-    class Identity:
-        def __class_getitem__(self, x: int) -> str:
-            pass
-else:
-    class Identity: pass
 
-a = Identity[42]  # error: [call-non-callable] "Method `__class_getitem__` of type `Literal[__class_getitem__] | Unbound` is not callable on object of type `Literal[Identity, Identity]`" 
-reveal_type(a)  # revealed: str | Unknown 
+    class Spam:
+        def __class_getitem__(self, x: int) -> str:
+            return "foo"
+
+else:
+
+    class Spam: ...
+
+
+# error: [call-non-callable] "Method `__class_getitem__` of type `Literal[__class_getitem__] | Unbound` is not callable on object of type `Literal[Spam, Spam]`"
+# revealed: str | Unknown
+reveal_type(Spam[42])
 ```
 
 ## TODO: Class getitem non-class union
@@ -77,13 +90,16 @@ reveal_type(a)  # revealed: str | Unknown
 flag = True
 
 if flag:
-    class Identity:
-        def __class_getitem__(self, x: int) -> str:
-            pass
-else:
-    Identity = 1
 
-a = Identity[42]  # error: "Cannot subscript object of type `Literal[Identity] | Literal[1]` with no `__getitem__` method"
-# TODO: should _probably_ emit `str | Unknown` 
-reveal_type(a)  # revealed: Unknown 
+    class Eggs:
+        def __class_getitem__(self, x: int) -> str:
+            return "foo"
+
+else:
+    Eggs = 1
+
+a = Eggs[42]  # error: "Cannot subscript object of type `Literal[Eggs] | Literal[1]` with no `__getitem__` method"
+
+# TODO: should _probably_ emit `str | Unknown`
+reveal_type(a)  # revealed: Unknown
 ```

crates/red_knot_python_semantic/resources/mdtest/subscript/instance.md

@@ -3,7 +3,9 @@
 ## Getitem unbound
 
 ```py
-class NotSubscriptable: pass
+class NotSubscriptable: ...
+
+
 a = NotSubscriptable()[0]  # error: "Cannot subscript object of type `NotSubscriptable` with no `__getitem__` method"
 ```
 
@@ -13,6 +15,7 @@ a = NotSubscriptable()[0]  # error: "Cannot subscript object of type `NotSubscri
 class NotSubscriptable:
     __getitem__ = None
 
+
 a = NotSubscriptable()[0]  # error: "Method `__getitem__` of type `None` is not callable on object of type `NotSubscriptable`"
 ```
 
@@ -23,6 +26,7 @@ class Identity:
     def __getitem__(self, index: int) -> int:
         return index
 
+
 reveal_type(Identity()[0])  # revealed: int
 ```
 
@@ -31,13 +35,18 @@ reveal_type(Identity()[0])  # revealed: int
 ```py
 flag = True
 
+
 class Identity:
     if flag:
+
         def __getitem__(self, index: int) -> int:
             return index
+
     else:
+
         def __getitem__(self, index: int) -> str:
             return str(index)
 
+
 reveal_type(Identity()[0])  # revealed: int | str
 ```

crates/red_knot_python_semantic/resources/mdtest/subscript/string.md

@@ -3,7 +3,7 @@
 ## Simple
 
 ```py
-s = 'abcde'
+s = "abcde"
 
 reveal_type(s[0])  # revealed: Literal["a"]
 reveal_type(s[1])  # revealed: Literal["b"]
@@ -14,7 +14,7 @@ a = s[8]  # error: [index-out-of-bounds] "Index 8 is out of bounds for string `L
 reveal_type(a)  # revealed: Unknown
 
 b = s[-8]  # error: [index-out-of-bounds] "Index -8 is out of bounds for string `Literal["abcde"]` with length 5"
-reveal_type(b)  # revealed: Unknown 
+reveal_type(b)  # revealed: Unknown
 ```
 
 ## Function return
@@ -23,7 +23,8 @@ reveal_type(b)  # revealed: Unknown
 def add(x: int, y: int) -> int:
     return x + y
 
-a = 'abcde'[add(0, 1)]
+
+a = "abcde"[add(0, 1)]
 # TODO: Support overloads... Should be `str`
 reveal_type(a)  # revealed: @Todo
 ```

crates/red_knot_python_semantic/resources/mdtest/subscript/tuple.md

@@ -3,7 +3,7 @@
 ## Basic
 
 ```py
-t = (1, 'a', 'b')
+t = (1, "a", "b")
 
 reveal_type(t[0])  # revealed: Literal[1]
 reveal_type(t[1])  # revealed: Literal["a"]