diff --git a/check_lacked_trans.py b/check_lacked_trans.py
index 3ee90ec7..ae57cdfa 100644
--- a/check_lacked_trans.py
+++ b/check_lacked_trans.py
@@ -1,7 +1,7 @@
 #!/usr/bin/env python
 # -*- coding: utf-8 -*-
 
-'''
+"""
 Check translation lacked or disused.
 
 Example:
@@ -24,7 +24,7 @@ es disused gui_starting_server
 2. load translation key from locale/*.json.
 3. compare these.
 
-'''
+"""
 
 
 import fileinput, argparse, re, os, codecs, json, sys
diff --git a/onionshare/onionshare.py b/onionshare/onionshare.py
index 44b6874f..739862cf 100644
--- a/onionshare/onionshare.py
+++ b/onionshare/onionshare.py
@@ -29,7 +29,7 @@ class NoTor(Exception): pass
 class TailsError(Exception): pass
 
 def hsdic2list(dic):
-    "Convert what we get from get_conf_map to what we need for set_options"
+    """Convert what we get from get_conf_map to what we need for set_options"""
     return [
         pair for pairs in [
             [('HiddenServiceDir',vals[0]),('HiddenServicePort',vals[1])]
diff --git a/test/onionshare_helpers_test.py b/test/onionshare_helpers_test.py
index eb84cc36..94febed3 100644
--- a/test/onionshare_helpers_test.py
+++ b/test/onionshare_helpers_test.py
@@ -22,12 +22,12 @@ from nose import with_setup
 import test_helpers
 
 def test_get_platform_on_tails():
-    "get_platform() returns 'Tails' when hostname is 'amnesia'"
+    """get_platform() returns 'Tails' when hostname is 'amnesia'"""
     helpers.platform.uname = lambda: ('Linux', 'amnesia', '3.14-1-amd64', '#1 SMP Debian 3.14.4-1 (2014-05-13)', 'x86_64', '')
     assert helpers.get_platform() == 'Tails'
 
 def test_get_platform_returns_platform_system():
-    "get_platform() returns platform.system() when ONIONSHARE_PLATFORM is not defined"
+    """get_platform() returns platform.system() when ONIONSHARE_PLATFORM is not defined"""
     helpers.platform.system = lambda: 'Sega Saturn'
     assert helpers.get_platform() == 'Sega Saturn'
 
diff --git a/test/onionshare_strings_test.py b/test/onionshare_strings_test.py
index f4ad5a87..011bf406 100644
--- a/test/onionshare_strings_test.py
+++ b/test/onionshare_strings_test.py
@@ -22,17 +22,17 @@ from onionshare import strings
 from nose import with_setup
 
 def test_starts_with_empty_strings():
-    "creates an empty strings dict by default"
+    """creates an empty strings dict by default"""
     assert strings.strings == {}
 
 def test_load_strings_defaults_to_english():
-    "load_strings() loads English by default"
+    """load_strings() loads English by default"""
     locale.getdefaultlocale = lambda: ('en_US', 'UTF-8')
     strings.load_strings()
     assert strings._('wait_for_hs') == "Waiting for HS to be ready:"
 
 def test_load_strings_loads_other_languages():
-    "load_strings() loads other languages in different locales"
+    """load_strings() loads other languages in different locales"""
     locale.getdefaultlocale = lambda: ('fr_FR', 'UTF-8')
     strings.load_strings("fr")
     assert strings._('wait_for_hs') == "En attente du HS:"
diff --git a/test/onionshare_test.py b/test/onionshare_test.py
index 5246d4a1..0edf1be7 100644
--- a/test/onionshare_test.py
+++ b/test/onionshare_test.py
@@ -21,13 +21,13 @@ from onionshare import OnionShare
 from nose import with_setup
 
 def test_choose_port_returns_a_port_number():
-    "choose_port() returns a port number"
+    """choose_port() returns a port number"""
     app = OnionShare()
     app.choose_port()
     assert 1024 <= app.port <= 65535
 
 def test_choose_port_returns_an_open_port():
-    "choose_port() returns an open port"
+    """choose_port() returns an open port"""
     app = OnionShare()
     # choose a new port
     app.choose_port()
diff --git a/test/onionshare_web_test.py b/test/onionshare_web_test.py
index 91a04921..963e7e2a 100644
--- a/test/onionshare_web_test.py
+++ b/test/onionshare_web_test.py
@@ -20,11 +20,11 @@ from onionshare import web
 from nose import with_setup
 
 def test_generate_slug_length():
-    "generates a 26-character slug"
+    """generates a 26-character slug"""
     assert len(web.slug) == 26
 
 def test_generate_slug_characters():
-    "generates a base32-encoded slug"
+    """generates a base32-encoded slug"""
 
     def is_b32(string):
         b32_alphabet = "01234556789abcdefghijklmnopqrstuvwxyz"