Fix exception when looking for gz executable

Co-authored-by: Diego Ferigo <diego.ferigo@iit.it>

src/rod/utils/gazebo.py

@@ -46,7 +46,7 @@ def has_gazebo() -> bool:
         try:
             _ = GazeboHelper.get_gazebo_executable()
             return True
-        except:
+        except Exception:
             return False
 
     @staticmethod
@@ -108,10 +108,11 @@ def process_model_description_with_sdformat(
                     text=True,
                     stdout=subprocess.PIPE,
                     stderr=subprocess.STDOUT,
+                    check=True,
                 )
             except subprocess.CalledProcessError as e:
-                if cp.returncode != 0:
-                    print(cp.stdout)
+                if e.returncode != 0:
+                    print(e.stdout)
                     raise RuntimeError(
                         "Failed to process the input with sdformat"
                     ) from e

src/rod/utils/resolve_uris.py

@@ -11,7 +11,7 @@ def resolve_local_uri(uri: str) -> pathlib.Path:
 
     try:
         return resolve_robotics_uri_py.resolve_robotics_uri(uri=uri)
-    except:
+    except FileNotFoundError:
         pass
 
     # Remove the prefix of the URI