diff --git a/docs/source/conf.py b/docs/source/conf.py
index c30c43c8..cb331cbf 100644
--- a/docs/source/conf.py
+++ b/docs/source/conf.py
@@ -32,9 +32,9 @@ def copy_readme():
     idx = data.index(
         "To contribute changes please consult our `Contribution guidelines <https://github.com/RAMP-project/RAMP/blob/main/CONTRIBUTING.md>`_\n"
     )
-    data[
-        idx
-    ] = "To contribute changes please consult our `Contribution guidelines <contributing.html>`_\n"
+    data[idx] = (
+        "To contribute changes please consult our `Contribution guidelines <contributing.html>`_\n"
+    )
     with open("readme.rst", "w") as fp:
         fp.writelines(data)
 
diff --git a/ramp/__init__.py b/ramp/__init__.py
index 3f23af7e..d3753eb8 100644
--- a/ramp/__init__.py
+++ b/ramp/__init__.py
@@ -13,7 +13,6 @@
     - random
 """
 
-
 from ramp._version import __version__
 from ramp.core.core import UseCase, User, Appliance
 from ramp.core.utils import yearly_pattern, get_day_type
diff --git a/ramp/core/core.py b/ramp/core/core.py
index 0aff87f4..a729e716 100644
--- a/ramp/core/core.py
+++ b/ramp/core/core.py
@@ -42,7 +42,9 @@ def single_appliance_daily_load_profile(args):
 
     return args[0], app.daily_use
 
-warnings.simplefilter('always', DeprecationWarning)
+
+warnings.simplefilter("always", DeprecationWarning)
+
 
 class UseCase:
     def __init__(
@@ -882,7 +884,10 @@ def Appliance(
         refer to Appliance class docs
         """
 
-        warnings.warn("This function is deprecated and not supported since version v0.4.0. Instead use the add_appliance method.", DeprecationWarning)
+        warnings.warn(
+            "This function is deprecated and not supported since version v0.4.0. Instead use the add_appliance method.",
+            DeprecationWarning,
+        )
 
         return self.add_appliance(
             number=number,