Fix a few more lint issues

Change-Id: I0d420f3053f391fa225e4b8179e45fd1138f5c65

Author: Jon Wayne Parrott

samples/snippets/iam_test.py

@@ -35,7 +35,7 @@ def topic(publisher_client):
 
     try:
         publisher_client.delete_topic(topic_path)
-    except:
+    except Exception:
         pass
 
     publisher_client.create_topic(topic_path)
@@ -55,7 +55,7 @@ def subscription(subscriber_client, topic):
 
     try:
         subscriber_client.delete_subscription(subscription_path)
-    except:
+    except Exception:
         pass
 
     subscriber_client.create_subscription(subscription_path, topic=topic)

samples/snippets/publisher_test.py

@@ -35,7 +35,7 @@ def topic(client):
 
     try:
         client.delete_topic(topic_path)
-    except:
+    except Exception:
         pass
 
     client.create_topic(topic_path)
@@ -55,7 +55,7 @@ def test_create(client):
     topic_path = client.topic_path(PROJECT, TOPIC)
     try:
         client.delete_topic(topic_path)
-    except:
+    except Exception:
         pass
 
     publisher.create_topic(PROJECT, TOPIC)

samples/snippets/quickstart_test.py

@@ -33,7 +33,7 @@ def temporary_topic():
 
     try:
         publisher.delete_topic(TOPIC_PATH)
-    except:
+    except Exception:
         pass
 
     yield

samples/snippets/subscriber_test.py

@@ -38,7 +38,7 @@ def topic(publisher_client):
 
     try:
         publisher_client.delete_topic(topic_path)
-    except:
+    except Exception:
         pass
 
     publisher_client.create_topic(topic_path)
@@ -58,7 +58,7 @@ def subscription(subscriber_client, topic):
 
     try:
         subscriber_client.delete_subscription(subscription_path)
-    except:
+    except Exception:
         pass
 
     subscriber_client.create_subscription(subscription_path, topic=topic)
@@ -79,7 +79,7 @@ def test_create(subscriber_client):
         PROJECT, SUBSCRIPTION)
     try:
         subscriber_client.delete_subscription(subscription_path)
-    except:
+    except Exception:
         pass
 
     subscriber.create_subscription(PROJECT, TOPIC, SUBSCRIPTION)