fixed linter errors

app/main.py

@@ -1,5 +1,6 @@
 from typing import Callable, Any
 
+
 def cache(func: Callable) -> Callable:
     storage = {}
 
@@ -12,4 +13,5 @@ def wrapper(*args, **kwargs) -> Any:
             result = func(*args, **kwargs)
             storage[args] = result
         return result
+
     return wrapper

tests/test_main.py

@@ -9,7 +9,7 @@
 def test_cache_single_function():
     @cache
     def long_time_func(a, b, c):
-        return (a ** b ** c) % (a * c)
+        return (a**b**c) % (a * c)
 
     f = io.StringIO()
 
@@ -31,7 +31,7 @@ def long_time_func(a, b, c):
     )
 
     assert (
-            out == output
+        out == output
     ), f"""
                 output must be:
                 {output},
@@ -48,7 +48,7 @@ def long_time_func(a, b, c):
 def test_cache_multiple_functions():
     @cache
     def long_time_func(a, b, c):
-        return (a ** b ** c) % (a * c)
+        return (a**b**c) % (a * c)
 
     @cache
     def long_time_func_2(text_1, text_2):
@@ -113,7 +113,7 @@ def long_time_func_3(n_list, text):
 def test_cache_returns_correct_value():
     @cache
     def long_time_func(a, b, c):
-        return (a ** b ** c) % (a * c)
+        return (a**b**c) % (a * c)
 
     first_value = long_time_func(2, 3, 3)
     second_value = long_time_func(2, 3, 3)
@@ -148,9 +148,7 @@ def addition(a, b):
         "Getting from cache\n"
     )
 
-    assert (
-            out == output
-    ), "Cache decorator should depend on different function"
+    assert out == output, "Cache decorator should depend on different function"
 
 
 def test_deco_returns_cached_value():
@@ -165,9 +163,9 @@ def delay_addition(a, b):
     delay_addition(1, 2)
     time3 = time.time()
 
-    assert 3 <= time2 - time1 < 4, (
-        "Cache decorator should work once to calculate the result"
-    )
+    assert (
+        3 <= time2 - time1 < 4
+    ), "Cache decorator should work once to calculate the result"
     assert time3 - time2 < 1, "Cache decorator should return cached value."
 
 
@@ -181,5 +179,5 @@ def test_unnecessary_comment():
         main_content = main.read()
 
         assert (
-                "# Write your code here" not in main_content
+            "# Write your code here" not in main_content
         ), "Remove unnecessary comment"