Merge bitcoin/bitcoin#25867: lint: enable E722 do not use bare except

61bb4e783b lint: enable E722 do not use bare except (Leonardo Lazzaro)

Pull request description:

  Improve test code and enable E722 lint check.

   If you want to catch all exceptions that signal program errors, use except Exception: (bare except is equivalent to except BaseException:).

  Reference: https://peps.python.org/pep-0008/#programming-recommendations

ACKs for top commit:
  MarcoFalke:
    lgtm ACK 61bb4e783b

Tree-SHA512: c7497769d5745fa02c78a20f4a0e555d8d3996d64af6faf1ce28e22ac1d8be415b98e967294679007b7bda2a9fd04031a9d140b24201e00257ceadeb5c5d7665

test/util/test_runner.py

@@ -54,7 +54,7 @@ def bctester(testDir, input_basename, buildenv):
         try:
             bctest(testDir, testObj, buildenv)
             logging.info("PASSED: " + testObj["description"])
-        except:
+        except Exception:
             logging.info("FAILED: " + testObj["description"])
             failed_testcases.append(testObj["description"])
 
@@ -96,7 +96,7 @@ def bctest(testDir, testObj, buildenv):
         try:
             with open(os.path.join(testDir, outputFn), encoding="utf8") as f:
                 outputData = f.read()
-        except:
+        except Exception:
             logging.error("Output file " + outputFn + " cannot be opened")
             raise
         if not outputData: