From 46c0f25bc77e5225219458f13af12aa6240e006f Mon Sep 17 00:00:00 2001
From: Barry57 <160387047+Barry57@users.noreply.github.com>
Date: Sun, 27 Oct 2024 14:55:20 +0800
Subject: [PATCH] Update basis_fd.py

---
 GENetLib/basis_fd.py | 6 +++---
 1 file changed, 3 insertions(+), 3 deletions(-)

diff --git a/GENetLib/basis_fd.py b/GENetLib/basis_fd.py
index 74a0604..501a972 100644
--- a/GENetLib/basis_fd.py
+++ b/GENetLib/basis_fd.py
@@ -39,9 +39,9 @@ def basis_fd(btype=None, rangeval=None, nbasis=None, params=None, dropind=None,
         btype = "power"
     else:
         btype = "unknown"
-    if nbasis <= 0:
+    if nbasis is not None and nbasis<= 0:
         raise ValueError("Argument nbasis is not positive.")
-    if round(nbasis) != nbasis:
+    if nbasis is not None and round(nbasis) != nbasis:
         raise ValueError("Argument nbasis is not an integer.")
     if quadvals is None:
         quadvals = []
@@ -141,4 +141,4 @@ def basis_fd(btype=None, rangeval=None, nbasis=None, params=None, dropind=None,
         }
         return basisobj
 
-    
\ No newline at end of file
+