Merge branch 'tests' into develop

comicapi/issuestring.py

@@ -120,9 +120,3 @@ class IssueString:
 
             return 0.5
         return self.num
-
-    def as_int(self) -> Optional[int]:
-        # return the int version of the float
-        if self.num is None:
-            return None
-        return int(self.num)

comicapi/utils.py

@@ -270,6 +270,9 @@ class ImprintDict(dict):
         else:
             return (item, self.publisher, True)
 
+    def copy(self) -> "ImprintDict":
+        return ImprintDict(self.publisher, super().copy())
+
 
 publishers: dict[str, ImprintDict] = {}