Remove unused imports from various files to clean up the codebase, in…

samples/packandunpack.py

@@ -4,7 +4,6 @@
 from vcon.dialog import Dialog
 from datetime import datetime, timezone
 from mutagen.mp3 import MP3
-import json
 
 
 # Create a new vCon

src/vcon/vcon.py

@@ -17,8 +17,6 @@
 from cryptography.hazmat.primitives import serialization
 import requests
 import logging
-import pypdf
-import PIL
 from .party import Party
 from .dialog import Dialog
 

tests/test_civic_address.py

@@ -1,6 +1,4 @@
-from vcon import Vcon
 from vcon.civic_address import CivicAddress
-import pytest
 
 # Initialize CivicAddress with all parameters set to valid strings
 def test_initialize_with_valid_strings() -> None:

tests/test_dialog.py

@@ -2,11 +2,8 @@
 from src.vcon.dialog import Dialog
 import hashlib
 import base64
-import requests
 from unittest.mock import Mock, patch
 from datetime import datetime
-import os
-import tempfile
 
 class TestDialog:
     # Initialization of Dialog object with all parameters
@@ -370,7 +367,6 @@ def test_convert_datetime_to_iso_string(self):
 
     # Converts start time to ISO 8601 string if provided as string
     def test_convert_string_to_iso_string(self):
-        from datetime import datetime
         from src.vcon.dialog import Dialog
         from unittest.mock import patch
 
@@ -663,7 +659,6 @@ def test_mimetype_from_extension(self, extension, expected_mimetype):
     def test_extract_video_metadata(self):
         """Test extracting metadata from video using FFmpeg."""
         from src.vcon.dialog import Dialog
-        import tempfile
 
         # Create a dialog
         dialog = Dialog(

tests/test_vcon.py

@@ -5,9 +5,7 @@
 
 import pytest
 import json
-import time
 import base64
-import tempfile
 from datetime import datetime, timezone
 from unittest.mock import Mock, patch
 import requests
@@ -419,7 +417,6 @@ def test_initializes_with_datetime_created_at() -> None:
 
 def test_initializes_with_created_at_string() -> None:
     from src.vcon.vcon import Vcon
-    import datetime
 
     vcon_dict = {"created_at": "2022-01-01T12:00:00Z"}
     vcon = Vcon(vcon_dict)