Linted code

app.py

@@ -1,4 +1,5 @@
 import streamlit as st
+
 from postly.clients.postly_client import PostlyClient
 
 # Initialize the PostlyClient in Streamlit's session state
@@ -13,6 +14,7 @@ if "logged_in" not in st.session_state:
 if "current_user" not in st.session_state:
     st.session_state.current_user = None
 
+
 def register():
     st.title("Register")
     user_name = st.text_input("Enter user name")
@@ -30,6 +32,7 @@ def register():
         else:
             st.error("Please enter both user name and password.")
 
+
 def login():
     st.title("Login")
     user_name = st.text_input("Enter user name")
@@ -43,12 +46,14 @@ def login():
         else:
             st.error("Invalid user name or password.")
 
+
 def logout():
     st.session_state.logged_in = False
     st.session_state.current_user = None
     st.success("Logged out successfully.")
     st.rerun()
 
+
 def delete_own_user():
     st.title("Delete Account")
     if st.button("Delete Account"):
@@ -59,6 +64,7 @@ def delete_own_user():
         except KeyError as e:
             st.error(f"Error: {e}")
 
+
 def add_post():
     st.title("Add Post")
     post_text = st.text_area("Enter post text")
@@ -69,6 +75,7 @@ def add_post():
         except Exception as e:
             st.error(f"Error: {e}")
 
+
 def get_posts_for_user():
     st.title("Get Posts for User")
     users = client.get_users()
@@ -82,6 +89,7 @@ def get_posts_for_user():
         except KeyError as e:
             st.error(f"Error: {e}")
 
+
 def get_posts_for_topic():
     st.title("Get Posts for Topic")
     topics = client.get_topics()
@@ -92,6 +100,7 @@ def get_posts_for_topic():
         for post in posts:
             st.write(post)
 
+
 def get_trending_topics():
     st.title("Get Trending Topics")
     current_timestamp = client.get_current_timestamp()
@@ -108,6 +117,7 @@ def get_trending_topics():
         except ValueError as e:
             st.error(f"Error: {e}")
 
+
 def get_all_posts():
     st.title("All Posts")
     posts = client.get_posts()
@@ -121,6 +131,7 @@ def get_all_posts():
         st.markdown(f"{post.content}")
         st.markdown("---")
 
+
 def main():
     st.sidebar.title("Postly\nSimple social media platform")
     if st.session_state.logged_in:
@@ -159,5 +170,6 @@ def main():
         elif page == "Register":
             register()
 
+
 if __name__ == "__main__":
     main()

postly/clients/postly_client.py

@@ -1,5 +1,5 @@
-import re
 import hashlib
+import re
 from collections import Counter
 from typing import List
 
@@ -56,7 +56,7 @@ class PostlyClient:
         """
         if user_name in self.userPosts:
             raise ValueError(f"User '{user_name}' already exists.")
-        
+
         self.userPosts[user_name] = []
         self.user_passwords[user_name] = self.hash_password(password)
 
@@ -214,4 +214,3 @@ class PostlyClient:
 
         # retrieve top topics in descending order
         return [topic for topic, _ in topics_frequency.most_common()]
-