add requiretment

app.py

@@ -32,18 +32,20 @@ def greet(name1, name2, name3, name4):
     
 
 
-    import site
-    import os
+    import subprocess
 
     def get_package_location(package_name):
-        for directory in site.getsitepackages():
-            package_path = os.path.join(directory, package_name)
-            if os.path.exists(package_path):
-                return package_path
-        return 'not found'
-
-    package_name = "ontogpt" # You can replace this with any package name
+        try:
+            result = subprocess.check_output(["pip", "show", package_name], text=True)
+            for line in result.splitlines():
+                if line.startswith("Location:"):
+                    return line.split(":")[1].strip()
+        except:
+            return None
+
+    package_name = "ontogpt" # Replace this with any package name
     location = get_package_location(package_name)
+
 #     return location
     # For the purpose of this example, I'm just returning the values concatenated
     return f"Inputs received: {str1}, {str2}, {str3}, {str4}, '--------------',  {location},  '--------------', {output_string1},{error_string1},{output_string2},{error_string2},{output}"