Fix ConversionPoint.__repr__ on objects that does not have __qualname__

pyproject.toml

@@ -1,6 +1,6 @@
 [project]
 name = "breakshaft"
-version = "0.1.3.post1"
+version = "0.1.3.post2"
 description = "Library for in-time codegen for type conversion"
 authors = [
     { name = "nikto_b", email = "niktob560@yandex.ru" }

src/breakshaft/models.py

@@ -31,7 +31,17 @@ class ConversionPoint:
         return hash((self.fn, self.injects, self.requires))
 
     def __repr__(self):
-        return f'({",".join(map(str, self.requires))}) -> {self.injects.__qualname__}: {self.fn.__qualname__}'
+        if '__qualname__' in dir(self.injects):
+            injects_name = self.injects.__qualname__
+        else:
+            injects_name = str(self.injects)
+
+        if '__qualname__' in dir(self.fn):
+            fn_name = self.fn.__qualname__
+        else:
+            fn_name = str(self.fn)
+
+        return f'({",".join(map(str, self.requires))}) -> {injects_name}: {fn_name}'
 
     @property
     def fn_args(self) -> list[tuple[str, type]]: