Check if the dir exists before trying to upload

gofile2/async_gofile2.py

@@ -96,6 +96,8 @@ async def upload_folder(self, path: str, folderId: str = ""):
             - `path` - Path to the folder
             - `folderId` (optional) - The ID of a folder. When using the folderId, you must pass the token
         """
+        if not os.path.isdir(path):
+            raise InvalidPath(f"{path} is not a valid directory")
         uploaded = []
         files = [val for sublist in [[os.path.join(
             i[0], j) for j in i[2]] for i in os.walk(path)] for val in sublist]

gofile2/gofile2.py

@@ -92,6 +92,8 @@ def upload_folder(self, path: str, folderId: str = ""):
             - `path` - Path to the folder
             - `folderId` (optional) - The ID of a folder. When using the folderId, you must pass the token
         """
+        if not os.path.isdir(path):
+            raise InvalidPath(f"{path} is not a valid directory")
         uploaded = []
         files = [val for sublist in [[os.path.join(
             i[0], j) for j in i[2]] for i in os.walk(path)] for val in sublist]
@@ -120,7 +122,7 @@ def upload(self, file: str, folderId: str = None, description: str = None, passw
         if not os.path.isfile(file):
             raise InvalidPath(f"No such file - {file}")
 
-        token = self.token
+        token = self.token if self.token else ""
         if password != None and len(password) < 4:
             raise ValueError("Password Length must be greater than 4")