address comment from @antgonza

biocore · Feb 22, 2022 · ae21189 · ae21189
1 parent d060c0c
commit ae21189
Showing 1 changed file with 1 addition and 1 deletion.
diff --git a/q2_katharoseq/_methods.py b/q2_katharoseq/_methods.py
@@ -111,7 +111,7 @@ def read_count_threshold(
     df['correct_assign'] = df['control_reads'] / df['asv_reads']
 
     # DEFINE KATHARO
-    katharo = df[['correct_assign', 'control_reads', 'asv_reads']]
+    katharo = df[['correct_assign', 'control_reads', 'asv_reads']].copy()
     katharo['log_asv_reads'] = np.log10(katharo['asv_reads'].values)
 
     # FIT CURVE TO DATA