don't unload when nothing has been loaded

cheats/chams.py

@@ -1,7 +1,7 @@
 from struct import pack
 
 from hack import Hack
-from utils import Color3i
+from utils import Color3i, errors_unload
 
 
 class Chams(Hack):
@@ -83,10 +83,14 @@ class Chams(Hack):
         # Aliases
         mem = self.pm
         offset = self.offsets
-        color = self.__default_color[0]
+        try:
-        brightness = self.__default_color[1]
+            color = self.__default_color[0]  # type: ignore
+            brightness = self.__default_color[1]  # type: ignore
             client = self.__client
             engine = self.__engine
+        except errors_unload():
+            # No modification has been done
+            return
 
         # Loop all entities
         for i in range(1, 32):  # 0 is world

cheats/fov.py

@@ -1,6 +1,7 @@
 from win32api import GetAsyncKeyState
 
 from hack import Hack
+from utils import errors_unload
 
 
 class Fov(Hack):
@@ -55,7 +56,11 @@ class Fov(Hack):
         # Aliases
         mem = self.pm
         offset = self.offsets
+        try:
             local_player = self.__local_player
+        except errors_unload():
+            # No modification has been done
+            return
 
         # Reset to default value if changed
         if self.__fov not in [None, self.__default_fov]:

cheats/noflash.py

@@ -1,4 +1,5 @@
 from hack import Hack, sleep
+from utils import errors_unload
 
 
 class Noflash(Hack):
@@ -34,7 +35,11 @@ class Noflash(Hack):
         # Aliases
         mem = self.pm
         offset = self.offsets
+        try:
             local_player = self.__local_player
+        except errors_unload():
+            # No modification has been done
+            return
 
         # Reset to default value
         mem.write_float(

utils.py

@@ -151,3 +151,8 @@ class Color4f:
         a = round(self.a, max_precision)
 
         return f"{self.__class__.__name__}({r}, {g}, {b}, {a})"
+
+
+def errors_unload():
+    """Return error who can occurs when unloading cheats"""
+    return (TypeError, AttributeError)