Fixed invalid extension check

scraper/server/__main__.py

@@ -2,7 +2,7 @@ from scraper.config import config
 from flask import Flask, Response, request, render_template, url_for
 from pathlib import Path
 import py34
-from .block import BLOCK_SIZE, list_blocks, load_blocks, load_block, load_block_stats, save_block, loads as parse_block
+from .block import BLOCK_SIZE, list_blocks, load_blocks, load_block, load_block_stats, save_block, loads as parse_block, enttype2ext
 from .job import assign_job, working_on, any_job, jobs
 
 
@@ -107,7 +107,7 @@ def get_image(post_id: int = None):
     return Response(
         status = 307,
         headers = {
-            "Location": str(py34.url.ImageURL(entry.dir, entry.image, entry.ext))
+            "Location": str(py34.url.ImageURL(entry.dir, entry.image, enttype2ext(entry.type)))
         }
     )