use KeyError instead of AttributeError

Author: c6c7

src/ci/docker/scripts/fuchsia-test-runner.py

@@ -202,8 +202,8 @@ def build_id(self, binary):
             raise Exception(f"JSON returned by llvm-readelf for binary {binary} is not a list with a single entry")
 
         try:
-            note_sections = getattr(elf_output[0], "NoteSections")
-        except AttributeError as e:
+            note_sections = elf_output[0]["NoteSections"]
+        except KeyError as e:
             e.add_note(f'Failed to read "NoteSections" from llvm-readelf for binary {binary}')
             raise
 
@@ -212,7 +212,7 @@ def build_id(self, binary):
                 note_section = entry["NoteSection"]
                 if note_section["Name"] == ".note.gnu.build-id":
                     return note_section["Note"]["Build ID"]
-            except AttributeError as e:
+            except KeyError as e:
                 e.add_note(f'Failed to read ".note.gnu.build-id" from NoteSections entry in llvm-readelf for binary {binary}')
                 raise
         raise Exception(f"Build ID not found for binary {binary}")