问在pythonanywhere中托管的应用程序中找不到文件

EN

from flask import Flask, render_template, request
from flask_cors import CORS, cross_origin
from diffdiag import DifferentialDiagScript2 as dd
import os

app = Flask(__name__)
app.config['CORS_HEADERS'] = 'Content-Type'
cors = CORS(app, resources={r"/*": {"origins": "*"}})

@app.route('/')
@cross_origin()
def index():
    module_dir = os.path.dirname(__file__)
    file_path = os.path.join(module_dir, 'literature.csv')
    items = list(line.strip() for line in open(file_path))
    return render_template('index.html', table = items)

items = list(line.strip() for line in open(f2))

items = list(line.strip() for line in open('./static/f2'))

items = list(line.strip() for line in open('/home/daddyodevil/add/Automated_DD/f2'))

items = list(line.strip() for line in open('/home/daddyodevil/add/Automated_DD/static/f2'))

Exception on / [GET]#012Traceback (most recent call last):#012  File "/home/daddyodevil/.local/lib/python3.6/site-packages/flask/app.py", line 2292, in wsgi_app#012    response = self.full_dispatch_request()#012  File "/home/daddyodevil/.local/lib/python3.6/site-packages/flask/app.py", line 1815, in full_dispatch_request#012    rv = self.handle_user_exception(e)#012  File "/home/daddyodevil/.local/lib/python3.6/site-packages/flask_cors/extension.py", line 161, in wrapped_function#012    return cors_after_request(app.make_response(f(*args, **kwargs)))#012  File "/home/daddyodevil/.local/lib/python3.6/site-packages/flask/app.py", line 1718, in handle_user_exception#012    reraise(exc_type, exc_value, tb)#012  File "/home/daddyodevil/.local/lib/python3.6/site-packages/flask/_compat.py", line 35, in reraise#012    raise value#012  File "/home/daddyodevil/.local/lib/python3.6/site-packages/flask/app.py", line 1813, in full_dispatch_request#012    rv = self.dispatch_request()#012  File "/home/daddyodevil/.local/lib/python3.6/site-packages/flask/app.py", line 1799, in dispatch_request#012    return self.view_functions[rule.endpoint](**req.view_args)#012  File "/home/daddyodevil/.local/lib/python3.6/site-packages/flask_cors/decorator.py", line 128, in wrapped_function#012    resp = make_response(f(*args, **kwargs))#012  File "/home/daddyodevil/add/Automated_DD/app.py", line 13, in index#012    items = list(line.strip() for line in open("./static/f2"))#012FileNotFoundError: [Errno 2] No such file or directory: './static/f2'

 * Serving Flask app "app" (lazy loading)
 * Environment: production
   WARNING: Do not use the development server in a production environment.
   Use a production WSGI server instead.
 * Debug mode: off
Traceback (most recent call last):
  File "/home/daddyodevil/add/Automated_DD/app.py", line 47, in <module>
    app.run()
  File "/home/daddyodevil/.local/lib/python3.6/site-packages/flask/app.py", line 943, in run
    run_simple(host, port, self, **options)
  File "/home/daddyodevil/.local/lib/python3.6/site-packages/werkzeug/serving.py", line 814, in run_simple
    inner()
  File "/home/daddyodevil/.local/lib/python3.6/site-packages/werkzeug/serving.py", line 774, in inner
    fd=fd)
  File "/home/daddyodevil/.local/lib/python3.6/site-packages/werkzeug/serving.py", line 660, in make_server
    passthrough_errors, ssl_context, fd=fd)
  File "/home/daddyodevil/.local/lib/python3.6/site-packages/werkzeug/serving.py", line 577, in __init__
    self.address_family), handler)
  File "/usr/lib/python3.6/socketserver.py", line 453, in __init__
    self.server_bind()
  File "/usr/lib/python3.6/http/server.py", line 136, in server_bind
    socketserver.TCPServer.server_bind(self)
  File "/usr/lib/python3.6/socketserver.py", line 467, in server_bind
    self.socket.bind(self.server_address)
OSError: [Errno 98] Address already in use