fix: unused imports

Author: adithayyil

backend/tests/integration/test_job_store_connector.py

@@ -1,4 +1,3 @@
-import pytest
 from database.job_store_connector import JobStoreConnector
 
 

backend/tests/unit/test_chunker.py

@@ -1,4 +1,3 @@
-import pytest
 from preprocessing.chunker import Chunker
 from models.metadata import VideoChunk
 
@@ -98,8 +97,6 @@ def test_fallback_when_no_scenes_detected(self, chunker, mocker, sample_video_5s
 
     def test_fallback_creates_fixed_duration_chunks(self, chunker, sample_video_5s):
         """Verify fallback creates approximately equal chunks."""
-        # Force fallback by mocking detect
-        import pytest_mock
         chunks = chunker._fallback_chunking(str(sample_video_5s), video_id="test")
 
         if len(chunks) > 1:

backend/tests/unit/test_compressor.py

@@ -4,7 +4,6 @@
 Tests frame resizing, compression, and memory optimization.
 """
 
-import pytest
 import numpy as np
 from preprocessing.compressor import Compressor
 

backend/tests/unit/test_frame_extractor.py

@@ -1,4 +1,3 @@
-import pytest
 import numpy as np
 from preprocessing.frame_extractor import FrameExtractor
 from models.metadata import VideoChunk