[Feature] Add support for python 3.13 and other migration related fixes (#1279)

embedchain/alembic.ini

@@ -2,7 +2,7 @@
 
 [alembic]
 # path to migration scripts
-script_location = embedchain/migrations
+script_location = embedchain:migrations
 
 # template used to generate migration file names; The default value is %%(rev)s_%%(slug)s
 # Uncomment the line below if you want the files to be prepended with date and time

embedchain/vectordb/pinecone.py

@@ -6,7 +6,7 @@ try:
     import pinecone
 except ImportError:
     raise ImportError(
-        "Pinecone requires extra dependencies. Install with `pip install --upgrade 'embedchain[pinecone]'`"
+        "Pinecone requires extra dependencies. Install with `pip install pinecone-text pinecone-client`"
     ) from None
 
 from pinecone_text.sparse import BM25Encoder
@@ -102,9 +102,10 @@ class PineconeDB(BaseVectorDB):
         existing_ids = list()
         metadatas = []
 
+        batch_size = 100
         if ids is not None:
-            for i in range(0, len(ids), 1000):
-                result = self.pinecone_index.fetch(ids=ids[i : i + 1000])
+            for i in range(0, len(ids), batch_size):
+                result = self.pinecone_index.fetch(ids=ids[i : i + batch_size])
                 vectors = result.get("vectors")
                 batch_existing_ids = list(vectors.keys())
                 existing_ids.extend(batch_existing_ids)