fix: Make import of gui_frontend.py conditional

Author: Syrinx55

genome_profiler/genome_profiler.py

@@ -2,7 +2,6 @@
 from configparser import ConfigParser, SectionProxy
 from dotenv import find_dotenv, load_dotenv
 from multiprocessing import cpu_count
-from .gui_frontend import main as gui_frontend_main
 from . import install_resources
 import subprocess
 import sys
@@ -254,9 +253,7 @@ def _validate_tools(config: SectionProxy):
             missing.append(name)
 
     if missing:
-        raise EnvironmentError(
-            f"Missing tools: {', '.join(missing)}"
-        )
+        raise EnvironmentError(f"Missing tools: {', '.join(missing)}")
 
 
 def _validate_resources(config: SectionProxy):
@@ -336,6 +333,8 @@ def main():
         sys.exit(0)
 
     if args.gui:
+        from .gui_frontend import main as gui_frontend_main
+
         gui_frontend_main()
         sys.exit(0)