fixing tests to work with asyncio daemon

lbrynet/blob/client/EncryptedFileDownloader.py

@@ -65,14 +65,9 @@ class EncryptedFileDownloader(CryptStreamDownloader):
     def _close_output(self):
         pass
 
-    def get_total_bytes(self):
-        d = self.storage.get_blobs_for_stream(self.stream_hash)
-
-        def calculate_size(blobs):
-            return sum([b.length for b in blobs])
-
-        d.addCallback(calculate_size)
-        return d
+    async def get_total_bytes(self):
+        blobs = await self.storage.get_blobs_for_stream(self.stream_hash)
+        return sum([b.length for b in blobs])
 
     def get_total_bytes_cached(self):
         if self._calculated_total_bytes is None or self._calculated_total_bytes == 0: