PyAPI: remove use of BaseException

BaseException was used as a catch-all in situations where it
didn't make sense and where "Exception" is more appropriate
based on Python's documentation & error checking tools,
`pylint` warns `broad-exception-caught` for e.g.

BaseException includes SystemExit, KeyboardInterrupt & GeneratorExit,
so unless the intention is to catch calls to `sys.exit(..)`,
breaking a out of a loop using Ctrl-C or generator-exit,
then it shouldn't be used.

Even then, it's preferable to catch those exceptions explicitly.

tests/python/modules/render_report.py

@@ -505,7 +505,7 @@ class Report:
                 if completed_process.returncode != 0:
                     crash = True
                 output = completed_process.stdout
-            except BaseException:
+            except Exception:
                 crash = True
 
             if verbose: