Ensure staticvectors is installed before calling method, closes #876

Author: davidmezzetti

setup.py

@@ -130,7 +130,7 @@
 
 setup(
     name="txtai",
-    version="8.4.0",
+    version="8.3.1",
     author="NeuML",
     description="All-in-one open-source embeddings database for semantic search, LLM orchestration and language model workflows",
     long_description=DESCRIPTION,

src/python/txtai/vectors/words.py

@@ -115,7 +115,7 @@ def isdatabase(path):
             True if this is a SQLite database
         """
 
-        return isinstance(path, str) and Database.isdatabase(path)
+        return isinstance(path, str) and STATICVECTORS and Database.isdatabase(path)
 
     def __init__(self, config, scoring, models):
         # Check before parent constructor since it calls loadmodel

src/python/txtai/version.py

@@ -3,4 +3,4 @@
 """
 
 # Current version tag
-__version__ = "8.4.0"
+__version__ = "8.3.1"

test/python/testoptional.py

@@ -306,6 +306,10 @@ def testVectors(self):
         with self.assertRaises(ImportError):
             VectorsFactory.create({"method": "words"}, None)
 
+        # Test default model
+        model = VectorsFactory.create({"path": "sentence-transformers/all-MiniLM-L6-v2"}, None)
+        self.assertIsNotNone(model)
+
     def testWorkflow(self):
         """
         Test missing workflow dependencies