diff --git a/jwql/jwql_monitors/generate_preview_images.py b/jwql/jwql_monitors/generate_preview_images.py
index 1642e7ca4..ee1155c05 100755
--- a/jwql/jwql_monitors/generate_preview_images.py
+++ b/jwql/jwql_monitors/generate_preview_images.py
@@ -38,8 +38,8 @@
 from jwql.utils.constants import NIRCAM_LONGWAVE_DETECTORS, NIRCAM_SHORTWAVE_DETECTORS
 from jwql.utils.logging_functions import configure_logging, log_info, log_fail
 from jwql.utils.preview_image import PreviewImage
-from jwql.utils.utils import get_config, filename_parser, initialize_instrument_monitor
-from jwql.utils.monitor_utils import update_monitor_table
+from jwql.utils.utils import get_config, filename_parser
+from jwql.utils.monitor_utils import update_monitor_table, initialize_instrument_monitor
 
 # Size of NIRCam inter- and intra-module chip gaps
 SW_MOD_GAP = 1387  # pixels = int(43 arcsec / 0.031 arcsec/pixel)
diff --git a/rtd_requirements.txt b/rtd_requirements.txt
index 8132fa220..9752301b7 100644
--- a/rtd_requirements.txt
+++ b/rtd_requirements.txt
@@ -6,4 +6,4 @@ pygments==2.10.0
 pytest==6.2.5
 sphinx>=2
 tomli<2.0.0
-git+https://github.com/spacetelescope/jwst_reffiles
\ No newline at end of file
+git+https://github.com/spacetelescope/jwst_reffiles