Merge pull request numpy#19393 from wandrewjam/remove-base-exception

MAINT: fix overly broad exception handling listed in LGTM

Author: mattip

numpy/lib/utils.py

@@ -904,7 +904,7 @@ def _lookfor_generate_cache(module, import_modules, regenerate):
                                 sys.stdout = old_stdout
                                 sys.stderr = old_stderr
                         # Catch SystemExit, too
-                        except BaseException:
+                        except (Exception, SystemExit):
                             continue
 
             for n, v in _getmembers(item):

numpy/linalg/lapack_lite/make_lite.py

@@ -275,8 +275,8 @@ def scrubF2CSource(c_file):
 def ensure_executable(name):
     try:
         which(name)
-    except:
-        raise SystemExit(name + ' not found')
+    except Exception as ex:
+        raise SystemExit(name + ' not found') from ex
 
 def create_name_header(output_dir):
     routine_re = re.compile(r'^      (subroutine|.* function)\s+(\w+)\(.*$',