Update handler.py

handler.py

@@ -7,7 +7,9 @@ from point_e.diffusion.sampler import PointCloudSampler
 from point_e.models.download import load_checkpoint
 from point_e.models.configs import MODEL_CONFIGS, model_from_config
 from point_e.util.plotting import plot_point_cloud
+import json
 import base64
+import numpy as np
 from io import BytesIO
 
 
@@ -68,7 +70,11 @@ class EndpointHandler():
         #image = self.pipe(inputs, guidance_scale=7.5)["sample"][0]  
 
         pc = sampler.output_to_point_clouds(samples)[0]
-        return {"data": pc}
+        print('type of pc: ', type(pc))
+        
+        data_list = pc.coords.tolist()
+        json_string = json.dumps(data_list)
+        return {"data": json_string}
         #print(pc)
 
         # encode image as base 64