Fix linting

lightrag/lightrag.py

@@ -57,7 +57,7 @@ from .operate import (
     naive_query,
     query_with_keywords,
 )
-from .prompt import GRAPH_FIELD_SEP, PROMPTS
+from .prompt import GRAPH_FIELD_SEP
 from .utils import (
     Tokenizer,
     TiktokenTokenizer,

lightrag/utils.py

@@ -165,7 +165,9 @@ def setup_logger(
 
         # Get log file max size and backup count from environment variables
         log_max_bytes = get_env_value("LOG_MAX_BYTES", DEFAULT_LOG_MAX_BYTES, int)
-        log_backup_count = get_env_value("LOG_BACKUP_COUNT", DEFAULT_LOG_BACKUP_COUNT, int)
+        log_backup_count = get_env_value(
+            "LOG_BACKUP_COUNT", DEFAULT_LOG_BACKUP_COUNT, int
+        )
 
         try:
             # Add file handler