fix incorrect call (#762)

black.py

@@ -2206,7 +2206,7 @@ def rhs(line: Line, supports_trailing_commas: bool = False) -> Iterator[Line]:
             # All splits failed, best effort split with no omits.
             # This mostly happens to multiline strings that are by definition
             # reported as not fitting a single line.
-            yield from right_hand_split(line, supports_trailing_commas)
+            yield from right_hand_split(line, line_length, supports_trailing_commas)
 
         if line.inside_brackets:
             split_funcs = [delimiter_split, standalone_comment_split, rhs]

tests/data/composition.py

@@ -166,17 +166,14 @@ def tricky_asserts(self) -> None:
             _C.__init__.__code__.co_firstlineno + 1,
         )
 
-        assert (
-            expectedexpectedexpectedexpectedexpectedexpectedexpectedexpectedexpect
-            == {
-                key1: value1,
-                key2: value2,
-                key3: value3,
-                key4: value4,
-                key5: value5,
-                key6: value6,
-                key7: value7,
-                key8: value8,
-                key9: value9,
-            }
-        )
+        assert expectedexpectedexpectedexpectedexpectedexpectedexpectedexpectedexpect == {
+            key1: value1,
+            key2: value2,
+            key3: value3,
+            key4: value4,
+            key5: value5,
+            key6: value6,
+            key7: value7,
+            key8: value8,
+            key9: value9,
+        }