Fix some bare except statements

glances/exports/glances_cassandra.py

@@ -118,7 +118,7 @@ class Export(GlancesExport):
         # Table
         try:
             session.execute("CREATE TABLE %s (plugin text, time timeuuid, stat map<text,float>, PRIMARY KEY (plugin, time)) WITH CLUSTERING ORDER BY (time DESC)" % self.table)
-        except:
+        except Exception:
             logger.debug("Cassandra table %s already exist" % self.table)
 
         return cluster, session

glances/folder_list.py

@@ -93,7 +93,7 @@ class FolderList(object):
             for i in ['careful', 'warning', 'critical']:
                 try:
                     value[i] = self.config.get_value(section, key + i)
-                except:
+                except Exception:
                     value[i] = None
                     logger.debug("No {} threshold for folder {}".format(i, value["path"]))
 

glances/plugins/glances_docker.py

@@ -158,7 +158,7 @@ class Plugin(GlancesPlugin):
             # First time, try to connect to the server
             try:
                 self.docker_client = self.connect()
-            except:
+            except Exception:
                 docker_tag = False
             else:
                 if self.docker_client is None:

glances/plugins/glances_network.py

@@ -98,7 +98,7 @@ class Plugin(GlancesPlugin):
             netstatus = {}
             try:
                 netstatus = psutil.net_if_stats()
-            except:
+            except AttributeError:
                 pass
 
             # Previous network interface stats are stored in the network_old variable