diff --git a/ispoof/data.py b/ispoof/data.py
index 17f77fb..a2e1e03 100644
--- a/ispoof/data.py
+++ b/ispoof/data.py
@@ -15,7 +15,7 @@ class Database:
         self.data.mkdir(parents=True, exist_ok=True)
         self.engine = create_engine(f"sqlite:///{(self.data / 'data.db').absolute()}")
 
-    def initialize_database(self):
+    def initialize_database(self) -> bool:
         logger.info("Creating databases.")
         try:
             Pokemon.metadata.create_all(self.engine)
@@ -23,6 +23,8 @@ class Database:
             PlayerHistory.metadata.create_all(self.engine)
         except ArgumentError:
             logger.info("Databases existed.")
+        finally:
+            return True
 
     def get_engine(self) -> Engine:
         return self.engine
diff --git a/ispoof/lists/playerhistory.py b/ispoof/lists/playerhistory.py
index 0758574..c38a54b 100644
--- a/ispoof/lists/playerhistory.py
+++ b/ispoof/lists/playerhistory.py
@@ -3,6 +3,7 @@ from sqlalchemy.orm import declarative_base
 from sqlalchemy import Column, DateTime, PrimaryKeyConstraint
 from sqlalchemy.orm import Session
 from datetime import datetime
+from typing import Tuple, Optional
 
 Base = declarative_base()
 
@@ -17,7 +18,7 @@ class PlayerHistory(Base):
     def __init__(self, engine=None):
         self.engine = engine
 
-    def get_last_activity(self):
+    def get_last_activity(self) -> Optional[Tuple[datetime, Location]]:
         time, location = None, None
         with Session(self.engine) as session:
             result = session.query(PlayerHistory).order_by(PlayerHistory.time.desc()).first()
@@ -28,11 +29,10 @@ class PlayerHistory(Base):
 
         return time, location
 
-    def add_activity(self, location: Location):
+    def add_activity(self, location: Location) -> None:
         with Session(self.engine) as session:
             self.time = datetime.now()
             self.location = location
             session.add(self)
             session.commit()
             session.close()
-        return True
diff --git a/ispoof/lists/pokemonlist.py b/ispoof/lists/pokemonlist.py
index d495413..d0ec373 100644
--- a/ispoof/lists/pokemonlist.py
+++ b/ispoof/lists/pokemonlist.py
@@ -16,7 +16,7 @@ class PokemonList:
         self.engine = engine
         self.timedelta = timedelta(minutes=2)
     
-    def sort_by_name(self, reverse=False):
+    def sort_by_name(self, reverse: bool = False) -> List[Pokemon]:
         with Session(self.engine) as session:
             if reverse:
                 result = session.query(Pokemon).where(Pokemon.visited.is_(False), Pokemon.end_time > datetime.now() + self.timedelta)\
@@ -28,7 +28,7 @@ class PokemonList:
             session.close()
         return result.all()
 
-    def sort_by_cp(self, reverse=False):
+    def sort_by_cp(self, reverse: bool = False) -> List[Pokemon]:
         with Session(self.engine) as session:
             if reverse:
                 result = session.query(Pokemon).where(Pokemon.visited.is_(False), Pokemon.end_time > datetime.now() + self.timedelta) \
@@ -40,7 +40,7 @@ class PokemonList:
             session.close()
         return result.all()
 
-    def sort_by_level(self, reverse=False):
+    def sort_by_level(self, reverse: bool = False) -> List[Pokemon]:
         with Session(self.engine) as session:
             if reverse:
                 result = session.query(Pokemon).where(Pokemon.visited.is_(False), Pokemon.end_time > datetime.now() + self.timedelta) \
@@ -52,28 +52,28 @@ class PokemonList:
             session.close()
         return result.all()
 
-    def sort_by_distance(self, location: Location, reverse=False):
+    def sort_by_distance(self, location: Location, reverse: bool = False) -> List[Pokemon]:
         with Session(self.engine) as session:
             result = session.query(Pokemon).where(Pokemon.visited.is_(False), Pokemon.end_time > datetime.now() + self.timedelta)
             session.commit()
             session.close()
         return sorted(result.all(), key=lambda pokemon: location.distance(pokemon.location), reverse=reverse)
 
-    def search_by_name(self, query: str):
+    def search_by_name(self, query: str) -> List[Pokemon]:
         with Session(self.engine) as session:
             result = session.query(Pokemon).where(Pokemon.visited.is_(False), Pokemon.end_time > datetime.now() + self.timedelta)
             session.commit()
             session.close()
         return list(filter(lambda pokemon: partial_ratio(query.lower(), pokemon.name) >= 80, result.all()))
 
-    def insert_to_database(self, pokemons: List[Pokemon]):
+    def insert_to_database(self, pokemons: List[Pokemon]) -> None:
         logger.info("Add pokemons to database.")
         with Session(self.engine) as session:
             session.add_all(pokemons)
             session.commit()
             session.close()
 
-    def visit_pokemon(self, pokemon: Pokemon):
+    def visit_pokemon(self, pokemon: Pokemon) -> None:
         with Session(self.engine) as session:
             new_pokemon = session.query(Pokemon).where(Pokemon.name == pokemon.name,
                                                        Pokemon.location == pokemon.location,
@@ -83,3 +83,4 @@ class PokemonList:
             session.commit()
             session.close()
 
+
diff --git a/ispoof/lists/raidlist.py b/ispoof/lists/raidlist.py
index 901a72b..ff69d9f 100644
--- a/ispoof/lists/raidlist.py
+++ b/ispoof/lists/raidlist.py
@@ -16,7 +16,7 @@ class RaidList:
         self.engine = engine
         self.timedelta = timedelta(minutes=2)
 
-    def sort_by_name(self, reverse=False):
+    def sort_by_name(self, reverse: bool = False) -> List[Raid]:
         with Session(self.engine) as session:
             if reverse:
                 result = session.query(Raid).where(Raid.end_time > datetime.now() + self.timedelta) \
@@ -28,7 +28,7 @@ class RaidList:
             session.close()
         return result.all()
 
-    def sort_by_level(self, reverse=False):
+    def sort_by_level(self, reverse: bool = False) -> List[Raid]:
         with Session(self.engine) as session:
             if reverse:
                 result = session.query(Raid).where(Raid.end_time > datetime.now() + self.timedelta) \
@@ -40,21 +40,21 @@ class RaidList:
             session.close()
         return result.all()
 
-    def sort_by_distance(self, location: Location, reverse=False):
+    def sort_by_distance(self, location: Location, reverse: bool = False) -> List[Raid]:
         with Session(self.engine) as session:
             result = session.query(Raid).where(Raid.end_time > datetime.now() + self.timedelta)
             session.commit()
             session.close()
         return sorted(result.all(), key=lambda raid: location.distance(raid.location), reverse=reverse)
 
-    def search_by_name(self, query: str):
+    def search_by_name(self, query: str) -> List[Raid]:
         with Session(self.engine) as session:
             result = session.query(Raid).where(Raid.end_time > datetime.now() + self.timedelta)
             session.commit()
             session.close()
         return list(filter(lambda raid: partial_ratio(query.lower(), raid.name) >= 80, result.all()))
 
-    def insert_to_database(self, raids: List[Raid]):
+    def insert_to_database(self, raids: List[Raid]) -> None:
         logger.info("Insert RAIDS to Database.")
         with Session(self.engine) as session:
             session.add_all(raids)
diff --git a/ispoof/objects/player.py b/ispoof/objects/player.py
index 2024215..7ab0b6f 100644
--- a/ispoof/objects/player.py
+++ b/ispoof/objects/player.py
@@ -3,6 +3,8 @@ from ispoof.spoofer.location import Location
 from ispoof.spoofer.device import Device
 from ispoof.lists.playerhistory import PlayerHistory
 from datetime import datetime, timedelta
+from typing import Tuple, Optional
+from pathlib import Path
 from math import ceil
 import gpxpy
 import time
@@ -19,65 +21,65 @@ class Player:
         self.history = PlayerHistory(engine=engine)
         self.device = Device()
 
-    def prepare_device(self):
+    def prepare_device(self) -> None:
         self.device.mount_image()
 
-    def set_location_with_query(self, query):
+    def set_location_with_query(self, query: str) -> None:
         loc = Nominatim(user_agent="GetLoc")
         get_loc = loc.geocode(query)
 
         self.location = Location(get_loc.latitude, get_loc.longitude)
         self.device.spoof_gps(self.location)
 
-    def get_last_activity(self):
+    def get_last_activity(self) -> Optional[Tuple[datetime, Location]]:
         return self.history.get_last_activity()
 
-    def set_location(self, location: Location):
+    def set_location(self, location: Location) -> None:
         self.location = location
         self.device.spoof_gps(self.location)
 
-    def do_activity(self, location: Location):
-        return self.history.add_activity(location)
+    def do_activity(self, location: Location) -> None:
+        self.history.add_activity(location)
 
-    def get_location(self):
+    def get_location(self) -> Location:
         return self.location
 
-    def distance_to(self, other):
+    def distance_to(self, other: Location) -> float:
         return self.location.distance(other)
 
-    def get_cooldown(self, location):
-        time, history_location = self.get_last_activity()
+    def get_cooldown(self, location: Location) -> int:
+        _time, history_location = self.get_last_activity()
         if time and history_location:
             cooldown = history_location.get_cooldown(location)
-            current_cooldown = ceil((time + timedelta(minutes=cooldown) - datetime.now()).total_seconds() / 60)
+            current_cooldown = ceil((_time + timedelta(minutes=cooldown) - datetime.now()).total_seconds() / 60)
             if current_cooldown < 0:
                 current_cooldown = 0
         else:
             current_cooldown = 0
         return current_cooldown
 
-    def get_current_cooldown(self):
+    def get_current_cooldown(self) -> int:
         self.cooldown = self.get_cooldown(self.location)
         return self.cooldown
 
-    def change_gps_by_query(self, query: str, do_activity=False):
+    def change_gps_by_query(self, query: str, do_activity: bool = False) -> None:
         self.set_location_with_query(query)
         if do_activity:
             self.do_activity(self.location)
 
-    def change_gps_by_location(self, location: Location, do_activity=False):
+    def change_gps_by_location(self, location: Location, do_activity: bool = False) -> None:
         self.set_location(location)
         if do_activity:
             self.do_activity(self.location)
 
-    def set_last_location(self):
+    def set_last_location(self) -> None:
         _, location = self.get_last_activity()
         self.set_location(location)
 
-    def set_speed(self, speed):
+    def set_speed(self, speed: float) -> None:
         self.speed = speed
 
-    def gpx_walking(self, gpx_file):
+    def gpx_walking(self, gpx_file: Path) -> None:
         with open(gpx_file) as f:
             gpx = gpxpy.parse(f)
         gpx_points = []
@@ -103,3 +105,4 @@ class Player:
 
 
 
+
diff --git a/ispoof/objects/pokemon.py b/ispoof/objects/pokemon.py
index 05e43a3..e92c0f3 100644
--- a/ispoof/objects/pokemon.py
+++ b/ispoof/objects/pokemon.py
@@ -42,12 +42,12 @@ class Pokemon(Base):
         self.end_time = end_time
         self.country = country
 
-    def is_despawned(self):
+    def is_despawned(self) -> bool:
         if datetime().now() > self.end_time:
             return True
         return False
 
-    def __repr__(self):
+    def __repr__(self) -> str:
         return f"{self.name}: {self.cp}, {self.level}, {self.attack}-{self.defense}-{self.hp}, shinable: {self.shiny}, end: {self.end_time}"
 
     
diff --git a/ispoof/objects/raid.py b/ispoof/objects/raid.py
index 5e5d9e4..64c078e 100644
--- a/ispoof/objects/raid.py
+++ b/ispoof/objects/raid.py
@@ -26,11 +26,11 @@ class Raid(Base):
         self.end_time = end_time
         self.country = country
 
-    def is_dispawned(self):
+    def is_dispawned(self) -> bool:
         if datetime().now() > self.end_time:
             return True
         return False
 
-    def __repr__(self):
+    def __repr__(self) -> str:
         return f"(Raid: {self.name} - {self.level}-star - {self.location} - Start: {self.start_time} - End: {self.end_time})"
         
\ No newline at end of file