diff --git a/.learn/exercises/07.1-test-post-todo/test.py b/.learn/exercises/07.1-test-post-todo/test.py
index 14530ecc..04df79e0 100644
--- a/.learn/exercises/07.1-test-post-todo/test.py
+++ b/.learn/exercises/07.1-test-post-todo/test.py
@@ -1,6 +1,13 @@
-import toml, pytest, os, sys, tempfile, mock, json
+import toml
+import pytest
+import os
+import sys
+import tempfile
+import mock
+import json
 from flask import Flask
 
+
 @pytest.fixture
 def client():
     with mock.patch('flask.Flask', lambda x: Flask(x)):
@@ -16,13 +23,16 @@ def client():
         os.close(db_fd)
         os.unlink(app.config['DATABASE'])
 
+
 @pytest.mark.it("Folder src must exist")
 def test_src_folder():
-  assert os.path.isdir("./src/")
+    assert os.path.isdir("./src/")
+
 
 @pytest.mark.it("File app.py must exist")
 def test_pipfile_exists():
-  assert os.path.isfile("src/app.py")
+    assert os.path.isfile("src/app.py")
+
 
 @pytest.mark.it("Declare a global variable todos, outside any function")
 def test_todos_exist():
@@ -32,16 +42,19 @@ def test_todos_exist():
     except AttributeError:
         raise AttributeError("The variable 'todos' should exist on app.py")
 
+
 @pytest.mark.it("Variable todos must be a list")
 def test_todos_should_be_list():
     from src import app
     assert isinstance(app.todos, list)
 
+
 @pytest.mark.it("The global todos list needs to have at least one dummy todo with the required format")
 def test_one_dummy():
     from src import app
     assert len(app.todos) > 0
 
+
 @pytest.mark.it('Each item inside the global todos list should have the following format: { "label": "Sample", "done": True }')
 def test_items_format():
     from src import app
@@ -49,6 +62,7 @@ def test_items_format():
         assert "label" in task
         assert "done" in task
 
+
 @pytest.mark.it('Each item inside the global todos variable should be a dictionary with two keys: "label" and "done"')
 def test_label_and_done():
     from src import app
@@ -56,6 +70,7 @@ def test_label_and_done():
         assert "label" in task
         assert "done" in task
 
+
 @pytest.mark.it('The value of the "label" of each of the todos should be a string')
 def test_labels_string():
     from src import app
@@ -63,6 +78,7 @@ def test_labels_string():
         if "label" in task:
             assert isinstance(task["label"], str)
 
+
 @pytest.mark.it('The value of the "done" key on each todo should be a boolean')
 def test_done_bool():
     from src import app
@@ -70,6 +86,7 @@ def test_done_bool():
         if "done" in task:
             assert isinstance(task["done"], bool)
 
+
 @pytest.mark.it("The response of the hello_world function should be a json, remember to use jsonify")
 def test_return(client):
     response = client.get('/todos')
@@ -86,6 +103,7 @@ def test_return(client):
         assert "label" in task
         assert "done" in task
 
+
 @pytest.mark.it("The function add_new_todo should be declared")
 def test_add_new_todo():
     from src import app
@@ -93,9 +111,11 @@ def test_add_new_todo():
         app.add_new_todo
         assert callable(app.add_new_todo)
     except AttributeError:
-        raise AttributeError("The function 'add_new_todo' should exist on app.py")
+        raise AttributeError(
+            "The function 'add_new_todo' should exist on app.py")
+
 
 @pytest.mark.it("The endpoint POST /todos should exist")
 def test_return(client):
-    response = client.post('/todos')
+    response = client.post('/todos', json=json.dumps({}))
     assert response.status_code in [200, 201]