diff --git a/pyproject.toml b/pyproject.toml
index cd33edc..f3353d8 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -24,3 +24,47 @@ include_trailing_comma = true
 force_grid_wrap = 0
 use_parentheses = true
 ensure_newline_before_comments = true
+
+
+[project]
+
+name = "RahulScripts"
+version = "0.0.2"
+description = "Some daily used scripts"
+readme = "README.md"
+license = {file = "LICENSE"}
+keywords = ["rahul", "scripts", "genomics", "class"]
+authors = [
+    {name = "Rahul Brahma", email = "rahul@drugonix.com"}
+]
+
+classifiers = [
+    "Development Status :: 5 - Production/Stable",
+    "Intended Audience :: Developers",
+    "License :: OSI Approved :: MIT License",
+    "Topic :: Software Development :: Build Tools",
+    "Programming Language :: Python",
+    "Programming Language :: Python :: 3",
+    "Programming Language :: Python :: 3 :: Only",
+    "Programming Language :: Python :: 3.7",
+    "Programming Language :: Python :: 3.8",
+    "Programming Language :: Python :: 3.9",
+    "Programming Language :: Python :: 3.10",
+    "Programming Language :: Python :: 3.11",
+    "Programming Language :: Python :: 3.12",
+    "Programming Language :: Python :: Implementation :: CPython",
+    "Programming Language :: Python :: Implementation :: PyPy"
+]
+
+dependencies=[
+  "numpy",
+  "ipywidgets",
+
+]
+
+[project.optional-dependencies]
+
+
+[build-system]
+requires = ["setuptools", "wheel"]
+build-backend = "setuptools.build_meta"
diff --git a/rahulscripts/__init__.py b/rahulscripts/__init__.py
index a8722d1..227aed6 100644
--- a/rahulscripts/__init__.py
+++ b/rahulscripts/__init__.py
@@ -1,5 +1,12 @@
 from .__version__ import __version__
 
 
+from .download import *
+from .external import *
+from .utils import *
+from .metrics import *
+
+
+
 print(f"Package v: {__version__}")
 print("===============================================")
diff --git a/rahulscripts/metrics/__init__.py b/rahulscripts/metrics/__init__.py
index 9401859..6199832 100644
--- a/rahulscripts/metrics/__init__.py
+++ b/rahulscripts/metrics/__init__.py
@@ -1 +1 @@
-from custom_metrics import * 
+from .custom_metrics import * 
diff --git a/rahulscripts/utils/utilities.py b/rahulscripts/utils/utilities.py
index cde045f..796d25e 100644
--- a/rahulscripts/utils/utilities.py
+++ b/rahulscripts/utils/utilities.py
@@ -8,7 +8,18 @@
 import tqdm
 from IPython.core.display import HTML
 from IPython.display import IFrame, clear_output, display
-from openbabel import pybel
+
+
+# check if openbabel is installed
+try:
+    from openbabel import pybel
+except ImportError:
+    print("OpenBabel is not installed. Please install it otherwise some functions will not work.")
+    command="conda install conda-forge::openbabel"
+    print(f"Run this command to install openbabel: {command}")
+
+    # raise ImportError("OpenBabel is not installed. Please install it first.")
+
 from rich import print
 from rich.console import Console
 from rich.style import Style
diff --git a/setup.cfg b/setup.cfg
deleted file mode 100644
index 91d453a..0000000
--- a/setup.cfg
+++ /dev/null
@@ -1,37 +0,0 @@
-[metadata]
-name = RahulScripts
-version = 0.0.2
-author = Rahul Brahma
-author_email = rahul@drugonix.com
-description = Some daily used scripts
-long_description = file: README.md
-long_description_content_type = text/markdown
-license_file = LICENSE
-keywords = rahul scripts genomics class
-url = https://www.drugonix.com
-download_url = https://github.com/Takshan/RahulScripts/0.0.1.tar.gz
-classifiers =
-    Development Status :: 5 - Production/Stable
-    Intended Audience :: Developers
-    License :: OSI Approved :: MIT License
-    Topic :: Software Development :: Build Tools
-    Programming Language :: Python
-    Programming Language :: Python :: 3
-    Programming Language :: Python :: 3 :: Only
-    Programming Language :: Python :: 3.7
-    Programming Language :: Python :: 3.8
-    Programming Language :: Python :: 3.9
-    Programming Language :: Python :: 3.10
-    Programming Language :: Python :: 3.11
-    Programming Language :: Python :: 3.12
-    
-    Programming Language :: Python :: Implementation :: CPython
-    Programming Language :: Python :: Implementation :: PyPy
-
-[options]
-packages = rahulscripts
-setup_requires = pip
-install_requires = pip; setuptools
-
-[options.entry_points]
-console_scripts = rahulscripts.cli = rahulscripts.cli:main