diff --git a/src/mwparserfromhell/nodes/html_entity.py b/src/mwparserfromhell/nodes/html_entity.py
index 2322e38..4a21ad0 100644
--- a/src/mwparserfromhell/nodes/html_entity.py
+++ b/src/mwparserfromhell/nodes/html_entity.py
@@ -132,8 +132,9 @@ class HTMLEntity(Node):
                 int(self.value, 16)
             except ValueError as exc:
                 raise ValueError(
-                    "current entity value {!r} is not a valid "
-                    "Unicode codepoint".format(self.value)
+                    "current entity value {!r} is not a valid Unicode codepoint".format(
+                        self.value
+                    )
                 ) from exc
         self._named = newval
 
diff --git a/src/mwparserfromhell/nodes/template.py b/src/mwparserfromhell/nodes/template.py
index e3abe79..b4c89a2 100644
--- a/src/mwparserfromhell/nodes/template.py
+++ b/src/mwparserfromhell/nodes/template.py
@@ -32,6 +32,7 @@ FLAGS = re.DOTALL | re.UNICODE
 # Used to allow None as a valid fallback value
 _UNSET = object()
 
+
 class Template(Node):
     """Represents a template in wikicode, like ``{{foo}}``."""
 
@@ -331,9 +332,9 @@ class Template(Node):
     def update(self, params, **kwargs):
         """Update the template with multiple parameters at once.
         Args:
-            params: A dictionary mapping parameter names to values. 
+            params: A dictionary mapping parameter names to values.
             **kwargs: Optional arguments that will be applied to all parameters,
-                matching the same arguments in :meth:`add` (showkey, before, 
+                matching the same arguments in :meth:`add` (showkey, before,
                 after, preserve_spacing)
         """
         for name, value in params.items():