Remove unused import

Author: anjakefala

unzip_http.py

@@ -18,12 +18,8 @@
 # OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
 # SOFTWARE.
 
-from dataclasses import dataclass
-
 import os
-import sys
 import io
-import time
 import zlib
 import struct
 import fnmatch