diff --git a/requirements.txt b/requirements.txt
index 7f1215096558bd03b7e88ca51c98234756619615..736212482ea6d8dd58e327f03ebf2e546c3e4eff 100644
Binary files a/requirements.txt and b/requirements.txt differ
diff --git a/tests/test_distance_matrix.py b/test_distance_matrix.py
similarity index 67%
rename from tests/test_distance_matrix.py
rename to test_distance_matrix.py
index f602997877bc8d1b6e9103df2b26ef7cdb25ef80..378b3a8dcb3eae9d019f8469006a7cf6a0062371 100644
--- a/tests/test_distance_matrix.py
+++ b/test_distance_matrix.py
@@ -2,6 +2,10 @@ from knn import *
 import numpy as np
 
 def test_distance_matrix():
+    '''
+    Check that's if the function distance_matrix 
+    returns the good shape of the output dists.
+    '''
     train = np.random.rand(100, 1000)
     test = np.random.rand(80, 1000)
     dists = distance_matrix(train, test)
diff --git a/tests/test_evaluate_knn.py b/test_evaluate_knn.py
similarity index 64%
rename from tests/test_evaluate_knn.py
rename to test_evaluate_knn.py
index c9f1d86af11d1509398a64c43fc81b5c7f89e413..79b370e5b0f43975bf12e4d00ab513a1116a44cb 100644
--- a/tests/test_evaluate_knn.py
+++ b/test_evaluate_knn.py
@@ -1,3 +1,4 @@
+
 from knn import *
 import numpy as np
 
@@ -6,5 +7,11 @@ def test_evaluate_knn():
     test = np.random.rand(80, 1000)
     labels_train = np.random.randint(10, size=100)
     labels_test = np.random.randint(10, size=80)
-    accuracy = evaluate_knn_for_k(train, labels_train, test, labels_test, k=3)
-    assert isinstance(accuracy, float) 
\ No newline at end of file
+    accuracy = evaluate_knn_for_k(train, labels_train, test, labels_test, 3)
+    
+    print("Type of accuracy:", type(accuracy))
+    print("Accuracy:", accuracy)
+    
+    assert isinstance(accuracy, list)
+
+test_evaluate_knn()
diff --git a/tests/test_knn_predict.py b/test_knn_predict.py
similarity index 92%
rename from tests/test_knn_predict.py
rename to test_knn_predict.py
index 01f332e657bdff98000214f8811fb1c5e68ac7ee..cb4d5e106b929185dc19964fabb19ebb8eab8153 100644
--- a/tests/test_knn_predict.py
+++ b/test_knn_predict.py
@@ -9,4 +9,3 @@ def test_knn_predict():
     labels_pred = knn_predict(dists, labels_train, k=3)
     assert labels_pred.shape == (80,)
     
-print(test_knn_predict())
\ No newline at end of file
diff --git a/tests/test_learn_once_cross_entropy.py b/test_learn_once_cross_entropy.py
similarity index 100%
rename from tests/test_learn_once_cross_entropy.py
rename to test_learn_once_cross_entropy.py
diff --git a/tests/test_learn_once_mse.py b/test_learn_once_mse.py
similarity index 100%
rename from tests/test_learn_once_mse.py
rename to test_learn_once_mse.py
diff --git a/tests/test_mode.py b/test_mode.py
similarity index 100%
rename from tests/test_mode.py
rename to test_mode.py
diff --git a/tests/test_one_hot.py b/test_one_hot.py
similarity index 100%
rename from tests/test_one_hot.py
rename to test_one_hot.py
diff --git a/tests/test_predict_mlp.py b/test_predict_mlp.py
similarity index 100%
rename from tests/test_predict_mlp.py
rename to test_predict_mlp.py
diff --git a/tests/test_read_cifar.py b/test_read_cifar.py
similarity index 100%
rename from tests/test_read_cifar.py
rename to test_read_cifar.py
diff --git a/tests/test_run_mlp_training.py b/test_run_mlp_training.py
similarity index 100%
rename from tests/test_run_mlp_training.py
rename to test_run_mlp_training.py
diff --git a/tests/test_softmax.py b/test_softmax.py
similarity index 100%
rename from tests/test_softmax.py
rename to test_softmax.py
diff --git a/tests/test_split_dataset.py b/test_split_dataset.py
similarity index 100%
rename from tests/test_split_dataset.py
rename to test_split_dataset.py
diff --git a/tests/test_train_mlp.py b/test_train_mlp.py
similarity index 100%
rename from tests/test_train_mlp.py
rename to test_train_mlp.py
diff --git a/tests/test_unpickle.py b/test_unpickle.py
similarity index 100%
rename from tests/test_unpickle.py
rename to test_unpickle.py
diff --git a/tests/__init__.py b/tests/__init__.py
deleted file mode 100644
index 78e3810e9376ff01bad7e05bf618273c28992e47..0000000000000000000000000000000000000000
--- a/tests/__init__.py
+++ /dev/null
@@ -1,5 +0,0 @@
-import os
-import sys
-sys.path.insert(0, os.path.abspath(os.path.join(os.path.dirname(__file__), '..')))
-
-