From 72a1d891a02b1ea98b27e8c86403ade524a903f1 Mon Sep 17 00:00:00 2001
From: Troy McConaghy <troy@bigchaindb.com>
Date: Sat, 3 Nov 2018 17:08:52 +0100
Subject: [PATCH] Fixed four Flake8 errors

---
 bigchaindb/backend/localmongodb/connection.py  | 2 +-
 bigchaindb/upsert_validator/validator_utils.py | 2 +-
 bigchaindb/web/websocket_server.py             | 2 +-
 tests/conftest.py                              | 2 +-
 4 files changed, 4 insertions(+), 4 deletions(-)

diff --git a/bigchaindb/backend/localmongodb/connection.py b/bigchaindb/backend/localmongodb/connection.py
index ffdb84b6..40142168 100644
--- a/bigchaindb/backend/localmongodb/connection.py
+++ b/bigchaindb/backend/localmongodb/connection.py
@@ -62,7 +62,7 @@ class LocalMongoDBConnection(Connection):
         try:
             try:
                 return query.run(self.conn)
-            except pymongo.errors.AutoReconnect as exc:
+            except pymongo.errors.AutoReconnect:
                 logger.warning('Lost connection to the database, '
                                'retrying query.')
                 return query.run(self.conn)
diff --git a/bigchaindb/upsert_validator/validator_utils.py b/bigchaindb/upsert_validator/validator_utils.py
index b0f8a81e..61562261 100644
--- a/bigchaindb/upsert_validator/validator_utils.py
+++ b/bigchaindb/upsert_validator/validator_utils.py
@@ -57,7 +57,7 @@ def validate_asset_public_key(pk):
         if len(pk_decoded) != 32:
             raise InvalidPublicKey('Public key should be of size 32 bytes')
 
-    except binascii.Error as e:
+    except binascii.Error:
         raise InvalidPublicKey('Invalid `type` specified for public key `value`')
 
 
diff --git a/bigchaindb/web/websocket_server.py b/bigchaindb/web/websocket_server.py
index efe10151..fcf01d0a 100644
--- a/bigchaindb/web/websocket_server.py
+++ b/bigchaindb/web/websocket_server.py
@@ -134,7 +134,7 @@ def websocket_handler(request):
         except RuntimeError as e:
             logger.debug('Websocket exception: %s', str(e))
             break
-        except CancelledError as e:
+        except CancelledError:
             logger.debug('Websocket closed')
             break
         if msg.type == aiohttp.WSMsgType.CLOSED:
diff --git a/tests/conftest.py b/tests/conftest.py
index a96d843f..ab798749 100644
--- a/tests/conftest.py
+++ b/tests/conftest.py
@@ -415,7 +415,7 @@ def abci_http(_setup_database, _configure_bigchaindb, abci_server,
             requests.get(uri)
             return True
 
-        except requests.exceptions.RequestException as e:
+        except requests.exceptions.RequestException:
             pass
         time.sleep(1)