Обновил зависимости

requirements.txt

@@ -1 +1,8 @@
-flask == 1.1.1
+click==7.1.1
+Flask==1.1.1
+Flask-SQLAlchemy==2.4.1
+itsdangerous==1.1.0
+Jinja2==2.11.1
+MarkupSafe==1.1.1
+SQLAlchemy==1.3.15
+Werkzeug==1.0.0

user_registration.py

@@ -1,17 +0,0 @@
-import sqlite3 as sql
-import json
-
-
-db = "data.db"
-
-with open("pkg.json") as req:
-    json.dump(data, write_file)
-
-
-def add_user(login, hash_password):
-    con = sql.connect(db)
-    cur = con.cursor()
-    cur.execute("INSERT INTO Users (UserLogin , UserPass) VALUES (?,?)", (login, hash_password))
-    con.commit()
-    con.close()
-