Neuroapi fixes

neuroapi/image.py

@@ -1,14 +1,20 @@
+import json
+
 from aiohttp import ClientSession
+
 from .api_method import ApiMethod
 
 
 class Image(ApiMethod):
-    async def add(self, post_id: str, file_id: str, has_spoiler: bool, message_id: int):
+    async def add(self, post_id: str, file_id: str, has_spoiler: bool | None, message_id: int):
         payload = {'post_id': post_id, 'file_id': file_id,
                    'has_spoiler': has_spoiler, 'message_id': message_id}
+        if has_spoiler is None:
+            payload.pop('has_spoiler')
+        payload = json.dumps(payload)
         async with ClientSession() as session:
             response = await session.post(
-                self.api_url+'/image/add', data=payload)
+                self.api_url+'/image/add', data=payload, headers={'Content-Type': 'application/json'})
         data = await response.json()
         if 'statusCode' in data:
             raise Exception(data['message'])