diff --git a/bbconf/__init__.py b/bbconf/__init__.py
index 153392c..6717196 100644
--- a/bbconf/__init__.py
+++ b/bbconf/__init__.py
@@ -1,5 +1,3 @@
-from bbconf._version import __version__
-from bbconf.bbconf import *
-from bbconf.const import *
+from bbconf.bbconf import BedBaseConf, get_bedbase_cfg
 
 __all__ = ["BedBaseConf", "get_bedbase_cfg"]
diff --git a/bbconf/bbconf.py b/bbconf/bbconf.py
index cb2645e..5e325cd 100644
--- a/bbconf/bbconf.py
+++ b/bbconf/bbconf.py
@@ -1,13 +1,11 @@
 import os
 from logging import getLogger
-from typing import List, Optional, Tuple, Union, Dict
+from typing import List, Optional, Tuple, Union
 from textwrap import indent
 
 import yacman
-
 import pipestat
 
-
 from sqlmodel import SQLModel, Field, select
 import qdrant_client
 
@@ -16,7 +14,6 @@
 
 from bbconf.const import (
     CFG_PATH_KEY,
-    PKG_NAME,
     CFG_PATH_PIPELINE_OUTPUT_KEY,
     CFG_PATH_BEDSTAT_DIR_KEY,
     DEFAULT_SECTION_VALUES,
@@ -157,7 +154,7 @@ def _read_config_file(self, config_path: str) -> yacman.YAMLConfigManager:
                     _config[section][key] = default
 
         if CFG_PATH_REGION2VEC_KEY not in _config[CFG_PATH_KEY]:
-            _LOGGER.warning(f"Region2vec config key is missing in configuration file")
+            _LOGGER.warning("Region2vec config key is missing in configuration file")
             _config[CFG_PATH_KEY][CFG_PATH_REGION2VEC_KEY] = None
 
         return _config
@@ -183,7 +180,7 @@ def search_bed_by_text(
         """
         if self._t2bsi is None:
             raise BedBaseConfError(
-                f"Can't perform search, qdrant_db credentials are not provided in config file"
+                "Can't perform search, qdrant_db credentials are not provided in config file"
             )
         return self._t2bsi.nl_vec_search(query)
 
@@ -199,7 +196,7 @@ def __str__(self):
         res += f"{indent(str(self.bed), '  ')}"
         res += f"\n{BEDSET_TABLE}:\n"
         res += f"{indent(str(self.bedset), '  ')}"
-        res += f"\nconfig:\n"
+        res += "\nconfig:\n"
         res += f"{indent(str(self.config), '  ')}"
         return res
 
@@ -453,10 +450,10 @@ def select_unique(self, table_name: str, column: str = None) -> list:
         """
 
         if table_name == "bedfile__sample":
-            with self.bed.backend.session as s:
+            with self.bed.backend.session:
                 values = self.bed.backend.select(columns=column)
         elif table_name == "bedsets__sample":
-            with self.bedset.backend.session as s:
+            with self.bedset.backend.session:
                 values = self.bedset.backend.select(columns=column)
         else:
             raise pipestat.exceptions.SchemaError(
diff --git a/bbconf/helpers.py b/bbconf/helpers.py
index e07bf23..f6ab3b1 100644
--- a/bbconf/helpers.py
+++ b/bbconf/helpers.py
@@ -2,8 +2,8 @@
 
 from yacman.yacman1 import select_config
 
-from .const import *
-from .exceptions import *
+from .const import CFG_ENV_VARS
+from .exceptions import MissingConfigDataError, BedBaseConnectionError
 from typing import NoReturn
 
 _LOGGER = logging.getLogger(__name__)
diff --git a/tests/test_bbconf.py b/tests/test_bbconf.py
index 71700eb..3f71f72 100644
--- a/tests/test_bbconf.py
+++ b/tests/test_bbconf.py
@@ -9,7 +9,7 @@
 import warnings
 
 from bbconf import BedBaseConf, get_bedbase_cfg
-from bbconf.exceptions import *
+from bbconf.exceptions import MissingConfigDataError
 
 
 DB_URL = "postgresql+psycopg2://postgres:dockerpassword@127.0.0.1:5432/pipestat-test"
@@ -21,7 +21,7 @@ def db_setup():
     # Check if the database is setup
     try:
         BedBaseConf(os.path.join(DATA_PATH, "config.yaml"))
-    except Exception as err:
+    except Exception:
         warnings.warn(UserWarning(f"{pytest_db_skip_reason}"))
         return False
     return True