Refactor CharacterTextSplitter instantiation

- Refactor the instantiation of CharacterTextSplitter in llm.py to remove unnecessary parameters.

pyproject.toml

@@ -1,6 +1,6 @@
 [tool.poetry]
 name = "talk-codebase"
-version = "0.1.19"
+version = "0.1.20"
 description = "talk-codebase is a powerful tool for querying and analyzing codebases."
 authors = ["Saryev Rustam <rustam1997@gmail.com>"]
 readme = "README.md"

talk_codebase/llm.py

@@ -47,7 +47,7 @@ def create_vector_store(root_dir, openai_api_key, model_name):
     if len(docs) == 0:
         print("✘ No documents found")
         exit(0)
-    text_splitter = CharacterTextSplitter(chunk_size=1000, chunk_overlap=0)
+    text_splitter = CharacterTextSplitter()
     texts = text_splitter.split_documents(docs)
 
     cost = calculate_cost(docs, model_name)