add earlier python versions

.github/workflows/cicd.yaml

@@ -11,7 +11,7 @@ jobs:
       matrix:
         # TODO: Get macos-latest to work as well
         os: [ubuntu-latest] 
-        python-version: [3.9, 3.11]
+        python-version: [3.7, 3.8, 3.9, 3.10, 3.11]
     runs-on: ${{ matrix.os }}
     steps:
     - name: Checkout Repository

flatnav_python/unit_tests/test_index.py

@@ -9,7 +9,8 @@
     compute_recall,
     create_index,
 )
-import pytest 
+import pytest
+
 
 def test_flatnav_l2_index_random_dataset():
     dataset_to_index = generate_random_data(dataset_length=30_000, dim=784)
@@ -34,6 +35,7 @@ def test_flatnav_l2_index_random_dataset():
         ground_truth=ground_truth,
     )
 
+
 @pytest.mark.skip(reason="Difficult to run on GitHub actions env due to data download")
 def test_flatnav_l2_index_mnist_dataset():
     training_set, queries, ground_truth, _ = get_ann_benchmark_dataset(
@@ -61,7 +63,7 @@ def test_flatnav_l2_index_mnist_dataset():
     )
 
 
-#TODO: Figure out why this test is failing. Skipping it for now
+# TODO: Figure out why this test is failing. Skipping it for now
 @pytest.mark.skip(reason=None)
 def test_flatnav_ip_index_random_dataset():
     dataset_to_index = generate_random_data(dataset_length=30_000, dim=225)
@@ -87,6 +89,7 @@ def test_flatnav_ip_index_random_dataset():
         ground_truth=ground_truth,
     )
 
+
 @pytest.mark.skip(reason="Difficult to run on GitHub actions env due to data download")
 def test_flatnav_index_with_reordering():
     training_set, queries, ground_truth, _ = get_ann_benchmark_dataset(

flatnav_python/unit_tests/test_parallel_insertions.py

@@ -12,7 +12,7 @@ def test_parallel_insertions_yield_similar_recall():
     training_set = generate_random_data(dataset_length=30_000, dim=784)
     queries = generate_random_data(dataset_length=5_000, dim=784)
     ground_truth = np.random.randint(low=0, high=50, size=(5_000, 100))
-    
+
     index = create_index(
         distance_type="l2",
         dim=training_set.shape[1],
@@ -28,6 +28,7 @@ def test_parallel_insertions_yield_similar_recall():
 
     assert index.max_edges_per_node == 16
 
+    # This is not necessary. By default, FlatNav will use all available cores
     index.num_threads = os.cpu_count()
 
     start = time.time()
@@ -36,7 +37,7 @@ def test_parallel_insertions_yield_similar_recall():
 
     parallel_construction_time = end - start
     print(
-        f"Index construction time (parallel): = {parallel_construction_time} seconds."
+        f"\nIndex construction time (parallel): = {parallel_construction_time} seconds."
         f"Num-threads = {index.num_threads}"
     )
 
@@ -52,7 +53,7 @@ def test_parallel_insertions_yield_similar_recall():
 
     single_threaded_index_construction_time = end - start
     print(
-        f"Index construction time (single thread): = {single_threaded_index_construction_time}"
+        f"\nIndex construction time (single thread): = {single_threaded_index_construction_time}"
     )
 
     recall_with_single_threaded_index = compute_recall(