diff --git a/_config.yml b/_config.yml
index 79a5b28bc..75e6f96ea 100644
--- a/_config.yml
+++ b/_config.yml
@@ -46,6 +46,4 @@ repository:
 # See https://jupyterbook.org/customize/config.html#add-a-link-to-your-repository
 html:
   use_issues_button: true
-  use_repository_button: true
-# Exclude notebooks that have as-yet unresolved build failures (see tickets SPB-1153SPB-1160, SPB-1168)
-exclude_patterns: [notebooks/DrizzlePac/drizzle_wfpc2/drizzle_wfpc2.ipynb]
\ No newline at end of file
+  use_repository_button: true
\ No newline at end of file
diff --git a/notebooks/DrizzlePac/drizzle_wfpc2/drizzle_wfpc2.ipynb b/notebooks/DrizzlePac/drizzle_wfpc2/drizzle_wfpc2.ipynb
index c66e5d922..07208f4d2 100644
--- a/notebooks/DrizzlePac/drizzle_wfpc2/drizzle_wfpc2.ipynb
+++ b/notebooks/DrizzlePac/drizzle_wfpc2/drizzle_wfpc2.ipynb
@@ -105,8 +105,8 @@
     "import numpy as np\n",
     "import matplotlib.pyplot as plt\n",
     "from astroquery.mast import Observations\n",
-    "from astropy.io import fits\n",
     "from astropy.table import Table\n",
+    "from astropy.io import fits\n",
     "from astropy.visualization import LogStretch, ImageNormalize\n",
     "from IPython.display import Image, clear_output\n",
     "from photutils.aperture import CircularAnnulus, CircularAperture, ApertureStats, aperture_photometry\n",