diff --git a/lib/ansible/plugins/lookup/csvfile.py b/lib/ansible/plugins/lookup/csvfile.py
index 9ef3e5dded1..976e6f58a40 100644
--- a/lib/ansible/plugins/lookup/csvfile.py
+++ b/lib/ansible/plugins/lookup/csvfile.py
@@ -17,11 +17,10 @@
 from __future__ import (absolute_import, division, print_function)
 __metaclass__ = type
 
-import os
 import codecs
 import csv
 
-from ansible.errors import *
+from ansible.errors import AnsibleError
 from ansible.plugins.lookup import LookupBase
 
 class LookupModule(LookupBase):
diff --git a/lib/ansible/plugins/lookup/dig.py b/lib/ansible/plugins/lookup/dig.py
index a3ba43879b1..3ef9d4728dc 100644
--- a/lib/ansible/plugins/lookup/dig.py
+++ b/lib/ansible/plugins/lookup/dig.py
@@ -24,8 +24,9 @@ import socket
 try:
     import dns.resolver
     import dns.reversename
-    from dns.rdatatype import *
-    from dns.exception import DNSException
+    from dns.rdatatype import (A, AAAA, CNAME, DLV, DNAME, DNSKEY, DS, HINFO, LOC,
+            MX, NAPTR, NS, NSEC3PARAM, PTR, RP, SOA, SPF, SRV, SSHFP, TLSA, TXT)
+    import dns.exception
     HAVE_DNS = True
 except ImportError:
     HAVE_DNS = False
diff --git a/lib/ansible/plugins/lookup/dnstxt.py b/lib/ansible/plugins/lookup/dnstxt.py
index 59d3820f710..e97ee46d187 100644
--- a/lib/ansible/plugins/lookup/dnstxt.py
+++ b/lib/ansible/plugins/lookup/dnstxt.py
@@ -17,8 +17,6 @@
 from __future__ import (absolute_import, division, print_function)
 __metaclass__ = type
 
-import os
-
 HAVE_DNS=False
 try:
     import dns.resolver
@@ -27,7 +25,7 @@ try:
 except ImportError:
     pass
 
-from ansible.errors import *
+from ansible.errors import AnsibleError
 from ansible.plugins.lookup import LookupBase
 
 # ==============================================================
@@ -58,7 +56,7 @@ class LookupModule(LookupBase):
                 string = 'NXDOMAIN'
             except dns.resolver.Timeout:
                 string = ''
-            except dns.exception.DNSException as e:
+            except DNSException as e:
                 raise AnsibleError("dns.resolver unhandled exception", e)
 
             ret.append(''.join(string))
diff --git a/lib/ansible/plugins/lookup/file.py b/lib/ansible/plugins/lookup/file.py
index cbfb8f31b48..26b10fce013 100644
--- a/lib/ansible/plugins/lookup/file.py
+++ b/lib/ansible/plugins/lookup/file.py
@@ -17,10 +17,7 @@
 from __future__ import (absolute_import, division, print_function)
 __metaclass__ = type
 
-import os
-import codecs
-
-from ansible.errors import *
+from ansible.errors import AnsibleError, AnsibleParserError
 from ansible.plugins.lookup import LookupBase
 
 class LookupModule(LookupBase):
diff --git a/lib/ansible/plugins/lookup/hashi_vault.py b/lib/ansible/plugins/lookup/hashi_vault.py
index b1e8adfe0fe..4e09d0c7b22 100644
--- a/lib/ansible/plugins/lookup/hashi_vault.py
+++ b/lib/ansible/plugins/lookup/hashi_vault.py
@@ -31,7 +31,7 @@ __metaclass__ = type
 
 import os
 
-from ansible.errors import *
+from ansible.errors import AnsibleError
 from ansible.plugins.lookup import LookupBase
 
 
@@ -59,16 +59,13 @@ class HashiVault:
             raise AnsibleError("Invalid Hashicorp Vault Token Specified")
 
     def get(self):
-        value = ""
-
         data = self.client.read(self.secret)
-        if data == None:
+        if data is None:
             raise AnsibleError("The secret %s doesn't seem to exist" % self.secret)
         else:
             return data['data']['value']
 
 
-
 class LookupModule(LookupBase):
 
     def run(self, terms, variables, **kwargs):
diff --git a/lib/ansible/plugins/lookup/ini.py b/lib/ansible/plugins/lookup/ini.py
index 9c1adc90ca6..3adbd2c7d67 100644
--- a/lib/ansible/plugins/lookup/ini.py
+++ b/lib/ansible/plugins/lookup/ini.py
@@ -19,11 +19,10 @@ __metaclass__ = type
 
 import StringIO
 import os
-import codecs
 import ConfigParser
 import re
 
-from ansible.errors import *
+from ansible.errors import AnsibleError
 from ansible.plugins.lookup import LookupBase
 
 class LookupModule(LookupBase):
@@ -47,7 +46,7 @@ class LookupModule(LookupBase):
         # Retrieve a single value
         try:
             value = self.cp.get(section, key)
-        except ConfigParser.NoOptionError as e:
+        except ConfigParser.NoOptionError:
             return dflt
         return value
 
@@ -77,7 +76,7 @@ class LookupModule(LookupBase):
                     assert(name in paramvals)
                     paramvals[name] = value
             except (ValueError, AssertionError) as e:
-                raise errors.AnsibleError(e)
+                raise AnsibleError(e)
 
             path = self._loader.path_dwim_relative(basedir, 'files', paramvals['file'])
             if paramvals['type'] == "properties":
diff --git a/lib/ansible/plugins/lookup/lines.py b/lib/ansible/plugins/lookup/lines.py
index 0d842bf148f..432b12d0404 100644
--- a/lib/ansible/plugins/lookup/lines.py
+++ b/lib/ansible/plugins/lookup/lines.py
@@ -19,7 +19,7 @@ from __future__ import (absolute_import, division, print_function)
 __metaclass__ = type
 
 import subprocess
-from ansible.errors import *
+from ansible.errors import AnsibleError
 from ansible.plugins.lookup import LookupBase
 
 class LookupModule(LookupBase):