Merge ~cjwatson/lazr.restful:fix-flake8 into lazr.restful:main

[Colin Watson]

Fix flake8 line length error

This is easier to do by conditionally raising `AssertionError` (which is less vulnerable to being optimized out anyway) rather than using `assert`.

[Jürgen Gmach (jugmac00)]

LGTM

review: Approve

diff --git a/src/lazr/restful/_resource.py b/src/lazr/restful/_resource.py
index f720b30..f01326d 100644
--- a/src/lazr/restful/_resource.py
+++ b/src/lazr/restful/_resource.py
@@ -2339,12 +2339,17 @@ class EntryAdapterUtility(RESTUtilityBase):
         entry_ifaces = [
             interface for interface in interfaces if interface.extends(IEntry)
         ]
-        assert (
-            len(entry_ifaces) == 1
-        ), "There must be one and only one IEntry implementation " "for %s, found %s" % (
-            self.entry_class,
-            ", ".join(interface.__name__ for interface in entry_ifaces),
-        )
+        if len(entry_ifaces) != 1:
+            raise AssertionError(
+                "There must be one and only one IEntry implementation "
+                "for %s, found %s"
+                % (
+                    self.entry_class,
+                    ", ".join(
+                        interface.__name__ for interface in entry_ifaces
+                    ),
+                )
+            )
         return entry_ifaces[0]
 
     def _get_tagged_value(self, tag):