From 71de05c4c6153384cc455eed02bd0d54004915c3 Mon Sep 17 00:00:00 2001
From: Yang Chen <60239063+yangchen2@users.noreply.github.com>
Date: Fri, 19 Jan 2024 13:56:42 -0800
Subject: [PATCH] f-string format for discriminatory features warning, log
 number of discrim feats

---
 qadabra/utils.py | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/qadabra/utils.py b/qadabra/utils.py
index 7c13096..56dd0f5 100644
--- a/qadabra/utils.py
+++ b/qadabra/utils.py
@@ -55,8 +55,8 @@ def _validate_input(
     discriminating_feats = feat_presence[~feat_presence].index.tolist()
 
     if len(discriminating_feats) > 0:
-        warning_msg = "Some features in the table perfectly discriminate factor groups:\n" + '\n'.join(discriminating_feats) + ".\nAutomatically filtering out these features before running Qadabra..."
-        print("Number of discriminating features: " + str(len(discriminating_feats)))
+        logger.warn("Number of discriminating features: " + str(len(discriminating_feats)))
+        warning_msg = f"Some features in the table perfectly discriminate factor groups. Automatically filtering out {len(discriminating_feats)} features before running Qadabra..."        
         warnings.warn(warning_msg, category=Warning)
 
         # Filtering out the discriminating features from the BIOM table