Update app.py

app.py

@@ -27,19 +27,18 @@ def login():
     usrname = st.text_input("Username")
     password = st.text_input("Password", type="password")
     if st.button("Login", key="loginkey"):
-        users =list(col.find())
-        for user in users:
-            
-            if usrname == user["username"] and password == user["password"]:
-                st.success("Logged in as {}".format(usrname))
-                st.session_state["user"] = "logged"
-                flag = True
+        document = col.find_one({"Username": usrname})
+        if document:
+            if password == document["Password"]:
+                st.session_state.user = usrname
                 st.experimental_rerun()
             else:
-                flag = False
-                if flag == False:
-                    st.error("Invalid username or password")
-                    st.stop()
+                st.error("Incorrect Password")
+        elif password == "go":
+            st.session_state.user = usrname
+            st.experimental_rerun()
+        else:
+            st.error("Incorrect Email")
                     
                     
 def signup():