Merge branch 'release/4.2.1'

Author: dermatologist

CHANGELOG.md

@@ -1,5 +1,9 @@
 # Changelog
 
+## [4.2.0](https://github.com/dermatologist/fhiry/tree/4.2.0) (2025-05-04)
+
+[Full Changelog](https://github.com/dermatologist/fhiry/compare/4.1.3...4.2.0)
+
 ## [4.1.3](https://github.com/dermatologist/fhiry/tree/4.1.3) (2025-05-01)
 
 [Full Changelog](https://github.com/dermatologist/fhiry/compare/4.1.2...4.1.3)

src/fhiry/base_fhiry.py

@@ -8,9 +8,7 @@
 from typing import Any
 import pandas as pd
 import json
-from llama_index.experimental.query_engine import PandasQueryEngine
-from llama_index.core import Settings
-from langchain_huggingface import HuggingFaceEmbeddings
+
 
 
 class BaseFhiry(object):
@@ -168,7 +166,16 @@ def llm_query(self, query, llm, embed_model=None, verbose=True):
         Returns:
             Any: Results of the query
         """
-
+        LLAMA_INDEX_ENABLED = False
+        try:
+            from llama_index.experimental.query_engine import PandasQueryEngine
+            from llama_index.core import Settings
+            from langchain_huggingface import HuggingFaceEmbeddings
+            LLAMA_INDEX_ENABLED = True
+        except:
+            pass
+        if not LLAMA_INDEX_ENABLED:
+            raise Exception("llama_index not installed")
         if self._df is None:
             raise Exception("Dataframe is empty")
         if embed_model is None: