Download MC mods easily (Read from file and search for)

import subprocess

e = False
i = 1
mods = []

fileDir = "null"
#fileDir = input("Where is the mods file? ")
#If you want to be able to choose the mods file location, then remove the hashtag in the above line.

if fileDir == "null":
    fileDir = "modslist.txt"

while True:
    with open(fileDir, "r") as ins:
        for line in ins:
            mods.append(line)
    break

for mod in mods:
    subprocess.call([r'D:\Program Files (x86)\Mozilla Firefox\firefox.exe', '-new-tab', 'google.com/#q=' + mod.replace(' ', '+') + '+Mod+Minecraft'])