diff --git a/requirements.txt b/requirements.txt
index a238d5698bdb9639b89546e7cff96e478d8a59f1..70de6ebc12f5dc4d32809ef34959efe77fbf47ea 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -1 +1,4 @@
-'random','argparse 1.4.0', 'check_positive', 'arghelper 0.4.2', 'fragmentation_v2', 'numpy 1.23.4', 'pandas 1.5'
\ No newline at end of file
+argparse
+biopython >= 1.78
+numpy >= 1.23.3
+pandas >= 1.4.4
\ No newline at end of file
diff --git a/setup.py b/setup.py
index e80689409443d32ce98584d666922640f2bce1d7..abcfdb7c1e60131eb9689d4de0f0c8a7eef80574 100644
--- a/setup.py
+++ b/setup.py
@@ -1,16 +1,18 @@
 """Set up project."""
 from setuptools import setup, find_packages
 from pathlib import Path
+
 project_root_dir = Path(__file__).parent.resolve()
 with open(project_root_dir / "requirements.txt",
-          "r", encoding="utf-8") as _file:
-    INSTALL_REQUIRES = _file.read().splitlines()
+          "r", encoding="utf-8") as f:
+    INSTALL_REQUIRES = f.read().splitlines()
 
+url = 'https://git.scicore.unibas.ch/zavolan_group/tools/terminal-fragment-selector'
 
 setup(
-    name='terminal-fragment-selection',
+    name='terminal-fragment-selector',
     version='0.1.1',
-    url='https://git.scicore.unibas.ch/zavolan_group/tools/terminal-fragment-selector',
+    url=url,
     license='MIT',
     author='Hugo Madge Leon, Sunho Kim, Tanya Nandan',
     author_email='hmadge@ethz.ch',
diff --git a/terminal-fragment-selector/__init__.py b/terminal-fragment-selector/__init__.py
new file mode 100644
index 0000000000000000000000000000000000000000..bb7d5f3186cb2e516714c06c9a5e8d2b57696586
--- /dev/null
+++ b/terminal-fragment-selector/__init__.py
@@ -0,0 +1 @@
+"""Initialise package."""
diff --git a/terminal-fragment-selector/main.py b/terminal-fragment-selector/cli.py
similarity index 99%
rename from terminal-fragment-selector/main.py
rename to terminal-fragment-selector/cli.py
index 73368a1ae40f4121d773731a47c9b25d5127cdd0..1585025c4913e50212074285dc8e7e4497fc369e 100644
--- a/terminal-fragment-selector/main.py
+++ b/terminal-fragment-selector/cli.py
@@ -61,9 +61,7 @@ def file_validation(fasta_file: str,
     """
     with open(fasta_file, "r") as handle:
         fasta = SeqIO.parse(handle, "fasta")
-    try:
-        any(fasta)
-    except Exception:
+    if not any(fasta):
         logger.exception("Input FASTA file is either empty or \
             incorrect file type.")