diff --git a/piptools/_compat/pip_compat.py b/piptools/_compat/pip_compat.py
index 3547f7e3..3f52864b 100644
--- a/piptools/_compat/pip_compat.py
+++ b/piptools/_compat/pip_compat.py
@@ -53,7 +53,7 @@ def _from_pkg_resources(cls, dist: _PkgResourcesDist) -> Distribution:
     @classmethod
     def _from_importlib(cls, dist: _ImportLibDist) -> Distribution:
         """Mimic pkg_resources.Distribution.requires for the case of no
-        extras. 
+        extras.
 
         This doesn't fulfill that API's ``extras`` parameter but
         satisfies the needs of pip-tools.
@@ -69,6 +69,7 @@ def _from_importlib(cls, dist: _ImportLibDist) -> Distribution:
 
 class FileLink(Link):  # type: ignore[misc]
     """Wrapper for ``pip``'s ``Link`` class."""
+
     _url: str
 
     @property
diff --git a/piptools/resolver.py b/piptools/resolver.py
index da9fb0e6..6b91f0c7 100644
--- a/piptools/resolver.py
+++ b/piptools/resolver.py
@@ -343,7 +343,7 @@ def _resolve_one_round(self) -> tuple[bool, set[InstallRequirement]]:
 
         :returns: whether new constraints appeared in this round.  If no
             constraints were added or changed, this indicates a stable
-            configuration.        
+            configuration.
         """
         # Sort this list for readability of terminal output
         constraints = sorted(self.constraints, key=key_from_ireq)
@@ -554,7 +554,7 @@ def resolve(self, max_rounds: int = 10) -> set[InstallRequirement]:
 
         Find concrete package versions for all the given InstallRequirements
         and their recursive dependencies.
-        
+
         :returns: A set of pinned ``InstallRequirement``\ s.
         """
         with update_env_context_manager(
@@ -662,8 +662,8 @@ def _do_resolve(
         """
         Resolve dependencies based on resolvelib ``Resolver``.
 
-        :returns: :py:data:`True` on successful resolution, otherwise removes 
-            problematic requirements from existing constraints and 
+        :returns: :py:data:`True` on successful resolution, otherwise removes
+            problematic requirements from existing constraints and
             returns :py:data:`False`.
         """
         try: