fix exception

buildingmotif/utils.py

@@ -12,8 +12,8 @@
 from rdflib.compare import _TripleCanonicalizer
 from rdflib.paths import ZeroOrOne
 from rdflib.term import Node
-from sqlalchemy.exc import NoResultFound
 
+from buildingmotif.database.errors import LibraryNotFound
 from buildingmotif.namespaces import OWL, PARAM, RDF, SH, XSD, bind_prefixes
 
 if TYPE_CHECKING:
@@ -63,7 +63,7 @@ def _guarantee_unique_template_name(library: "Library", name: str) -> str:
         while library.get_template_by_name(name):
             name = f"{original_name}_{idx}"
             idx += 1
-    except NoResultFound:
+    except LibraryNotFound:
         # this means that the template does not exist and we can use the original name
         pass
     return name