FIX: quote path

src/caoscrawler/identifiable_adapters.py

@@ -448,7 +448,7 @@ class CaosDBIdentifiableAdapter(IdentifiableAdapter):
     def get_file(self, identifiable: Identifiable):
         if identifiable.path is None:
             raise RuntimeError("Path must not be None for File retrieval.")
-        candidates = db.execute_query("FIND File which is stored at {}".format(
+        candidates = db.execute_query("FIND File which is stored at '{}'".format(
             identifiable.path))
         if len(candidates) > 1:
             raise RuntimeError("Identifiable was not defined unambigiously.")