fix: fix find by vector of n_dim=1 (docarray#315)

alaeddine-13 · hanxiao · web-flow · commit 9f620b0b7e18 · 2022-04-30T08:17:35.000+02:00
Co-authored-by: Han Xiao &lt;han.xiao@jina.ai&gt;
diff --git a/docarray/array/storage/qdrant/backend.py b/docarray/array/storage/qdrant/backend.py
@@ -187,6 +187,9 @@ def _map_embedding(self, embedding: 'ArrayType') -> List[float]:
         if embedding.ndim > 1:
             embedding = np.asarray(embedding).squeeze()
 
+        if embedding.ndim == 0:  # scalar
+            embedding = np.array([embedding])
+
         if np.all(embedding == 0):
             embedding = embedding + EPSILON
         return embedding.tolist()
