style: format code with Black, isort and Yapf

This commit fixes the style issues introduced in 8fb6517 according to the output
from Black, isort and Yapf.

Details: #49

Author: deepsource-autofix[bot]

demo_code.py

@@ -80,12 +80,18 @@ def tar_something():
 
 
 def bad_isinstance(initial_condition, object, other_obj, foo, bar, baz):
-    if (initial_condition and
-        (isinstance(object, int) or isinstance(object, float)
-         or isinstance(object, str)) and isinstance(other_obj, float)
-            and isinstance(foo, str)
-            or (isinstance(bar, float) or isinstance(bar, str)) and
-        (isinstance(baz, float) or isinstance(baz, int))):
+    if (
+        initial_condition
+        and (
+            isinstance(object, int)
+            or isinstance(object, float)
+            or isinstance(object, str)
+        )
+        and isinstance(other_obj, float)
+        and isinstance(foo, str)
+        or (isinstance(bar, float) or isinstance(bar, str))
+        and (isinstance(baz, float) or isinstance(baz, int))
+    ):
         pass