diff --git a/mriqc/reports/group.py b/mriqc/reports/group.py
index 2ff49ed0..4fa17772 100644
--- a/mriqc/reports/group.py
+++ b/mriqc/reports/group.py
@@ -23,7 +23,6 @@
 """Encapsulates report generation functions."""
 
 from itertools import product
-from sys import version_info
 
 import pandas as pd
 
@@ -34,6 +33,7 @@
 def gen_html(csv_file, mod, csv_failed=None, out_file=None):
     import os.path as op
     from datetime import datetime, timezone
+    from io import StringIO as TextIO
 
     from niworkflows.data import Loader
 
@@ -41,11 +41,6 @@ def gen_html(csv_file, mod, csv_failed=None, out_file=None):
 
     from .. import __version__ as ver
 
-    if version_info[0] > 2:
-        from io import StringIO as TextIO
-    else:
-        from io import BytesIO as TextIO
-
     UTC = timezone.utc
     load_data = Loader('mriqc')