remove unused imports, variables and commented code

from tests

cookbook/integration/pdfexport.py

@@ -1,21 +1,11 @@
-import json
-from io import BytesIO
-from re import match
-from zipfile import ZipFile
 import asyncio
-from pyppeteer import launch
-
-from rest_framework.renderers import JSONRenderer
-
-from cookbook.helper.image_processing import get_filetype
-from cookbook.integration.integration import Integration
-from cookbook.serializer import RecipeExportSerializer
-
-from cookbook.models import ExportLog
-from asgiref.sync import sync_to_async
 
 import django.core.management.commands.runserver as runserver
-import logging
+from asgiref.sync import sync_to_async
+from pyppeteer import launch
+
+from cookbook.integration.integration import Integration
+
 
 class PDFexport(Integration):
 
@@ -42,7 +32,6 @@ class PDFexport(Integration):
                    }
                    }
 
-
         files = []
         for recipe in recipes:
 
@@ -50,20 +39,18 @@ class PDFexport(Integration):
             await page.emulateMedia('print')
             await page.setCookie(cookies)
 
-            await page.goto('http://'+cmd.default_addr+':'+cmd.default_port+'/view/recipe/'+str(recipe.id), {'waitUntil': 'domcontentloaded'})
-            await page.waitForSelector('#printReady');
+            await page.goto('http://' + cmd.default_addr + ':' + cmd.default_port + '/view/recipe/' + str(recipe.id), {'waitUntil': 'domcontentloaded'})
+            await page.waitForSelector('#printReady')
 
             files.append([recipe.name + '.pdf', await page.pdf(options)])
-            await page.close();
+            await page.close()
 
             el.exported_recipes += 1
             el.msg += self.get_recipe_processed_msg(recipe)
             await sync_to_async(el.save, thread_sensitive=True)()
 
-
         await browser.close()
         return files
 
-
     def get_files_from_recipes(self, recipes, el, cookie):
         return asyncio.run(self.get_files_from_recipes_async(recipes, el, cookie))