Update bare exceptions to specify Exception.

This will keep us from accidentally catching program-exiting exceptions
like KeyboardInterupt and SystemExit.

lib/ansible/modules/net_tools/basics/uri.py

@@ -588,7 +588,7 @@ def main():
             try:
                 js = json.loads(u_content)
                 uresp['json'] = js
-            except:
+            except Exception:
                 if PY2:
                     sys.exc_clear()  # Avoid false positive traceback in fail_json() on Python 2
     else:

lib/ansible/modules/net_tools/netbox/netbox_device.py

@@ -173,7 +173,7 @@ import json
 try:
     import pynetbox
     HAS_PYNETBOX = True
-except:
+except ImportError:
     HAS_PYNETBOX = False
 
 

lib/ansible/modules/net_tools/nmcli.py

@@ -632,7 +632,7 @@ class Nmcli(object):
             for setting in secrets:
                 for key in secrets[setting]:
                     config[setting_name][key] = secrets[setting][key]
-        except:
+        except Exception:
             pass
 
     def dict_to_string(self, d):

lib/ansible/modules/net_tools/snmp_facts.py

@@ -169,7 +169,7 @@ from collections import defaultdict
 try:
     from pysnmp.entity.rfc3413.oneliner import cmdgen
     has_pysnmp = True
-except:
+except Exception:
     has_pysnmp = False
 
 from ansible.module_utils.basic import AnsibleModule