diff --git a/environment.yml b/environment.yml
index 8e66e2f6..bf921d19 100644
--- a/environment.yml
+++ b/environment.yml
@@ -2,7 +2,7 @@ name: notebooks-environment
 channels:
   - conda-forge
 dependencies:
-  - python=3.8
+  - python=3.9
   - descartes
   - esda
   - geopandas>=0.7.0
diff --git a/setup.py b/setup.py
index 5cf368e1..04ad4701 100644
--- a/setup.py
+++ b/setup.py
@@ -20,16 +20,16 @@ def _get_requirements_from_files(groups_files):
 
     Parameters
     ----------
-
     groups_files : dict
         k - descriptive name, v - file name (including extension)
 
     Returns
     -------
-
     groups_reqlist : dict
         k - descriptive name, v - list of required packages
+    
     """
+
     groups_reqlist = {}
     for k, v in groups_files.items():
         with open(v, "r") as f:
diff --git a/spaghetti/__init__.py b/spaghetti/__init__.py
index 55d5ce72..fa1d69f3 100644
--- a/spaghetti/__init__.py
+++ b/spaghetti/__init__.py
@@ -1,4 +1,4 @@
-__version__ = "1.5.3"
+__version__ = "1.5.4"
 
 """
 # `spaghetti` --- Spatial Graphs: Networks, Topology, & Inference