added variable for file name. Also updated requirements to latest versions.

main.py

@@ -6,6 +6,7 @@ import subprocess
 from waitress import serve
 
 PATH = '/download'
+FILE = '/tach.json'
 
 app = Flask(__name__,
             template_folder="templates")
@@ -79,8 +80,7 @@ def upload_jason():
     z = 0
     added = []
 
-    with open(PATH+"/tach.json", "r") as tf:
-    # with open("tach.json", "r") as tf:
+    with open(PATH + FILE, "r") as tf:
         data = json.load(tf)
         for x in data["mangas"]:
             # Manga Name
@@ -178,8 +178,7 @@ def ood():
     y = 0
     z = 0
 
-    with open(PATH + "/tach.json", "r") as tf:
-        # with open("tach.json", "r") as tf:
+    with open(PATH + FILE, "r") as tf:
         data = json.load(tf)
         for x in data["mangas"]:
             # Manga Name
@@ -217,7 +216,7 @@ def test():
     mangaInfo=[]
     mangaName = manga.query.all()
 
-    with open(PATH + "/tach.json", "r") as tf:
+    with open(PATH + FILE, "r") as tf:
         data = json.load(tf)
         for x in data["mangas"]:
             watchedManga = {}