Refactored the way modules are dynamically imported

src/yandere_bot.py

@@ -135,8 +135,8 @@ class YandereBot:
 	def download_media(self, picked_profile):
 		try:
 			backend_s = picked_profile["backend"]
-			backend = importlib.import_module(backend_s)
 			backend_credentials = self.settings_backend[backend_s]
+			backend = importlib.import_module(backend_credentials["module"])
 			img = None
 			downloader = backend.downloader(backend_credentials)
 
@@ -292,7 +292,7 @@ class YandereBot:
 		# 2. The server is down. Check to verify in a web browser (this is the default assumption since the
 		#    mastodon.py API will not specify why the connection timed out).
 		# The default assumption is #2
-		except (FileNotFoundError, MastodonAPIError, Exception) as e:
+		except (FileNotFoundError, MastodonAPIError) as e:
 			print("Exception:", e)
 
 		# An exception occurred