diff --git a/homeassistant/components/whois/manifest.json b/homeassistant/components/whois/manifest.json
index dec3e78a503..6040c8655b9 100644
--- a/homeassistant/components/whois/manifest.json
+++ b/homeassistant/components/whois/manifest.json
@@ -3,7 +3,7 @@
   "name": "Whois",
   "documentation": "https://www.home-assistant.io/components/whois",
   "requirements": [
-    "python-whois==0.7.1"
+    "python-whois==0.7.2"
   ],
   "dependencies": [],
   "codeowners": []
diff --git a/homeassistant/components/whois/sensor.py b/homeassistant/components/whois/sensor.py
index 313a6337a11..09cf40f193f 100644
--- a/homeassistant/components/whois/sensor.py
+++ b/homeassistant/components/whois/sensor.py
@@ -3,6 +3,7 @@ from datetime import timedelta
 import logging
 
 import voluptuous as vol
+import whois
 
 from homeassistant.components.sensor import PLATFORM_SCHEMA
 from homeassistant.const import CONF_NAME
@@ -32,8 +33,6 @@ PLATFORM_SCHEMA = PLATFORM_SCHEMA.extend(
 
 def setup_platform(hass, config, add_entities, discovery_info=None):
     """Set up the WHOIS sensor."""
-    import whois
-
     domain = config.get(CONF_DOMAIN)
     name = config.get(CONF_NAME)
 
@@ -41,7 +40,9 @@ def setup_platform(hass, config, add_entities, discovery_info=None):
         if "expiration_date" in whois.whois(domain):
             add_entities([WhoisSensor(name, domain)], True)
         else:
-            _LOGGER.error("WHOIS lookup for %s didn't contain expiration_date", domain)
+            _LOGGER.error(
+                "WHOIS lookup for %s didn't contain an expiration date", domain
+            )
             return
     except whois.BaseException as ex:
         _LOGGER.error("Exception %s occurred during WHOIS lookup for %s", ex, domain)
@@ -53,8 +54,6 @@ class WhoisSensor(Entity):
 
     def __init__(self, name, domain):
         """Initialize the sensor."""
-        import whois
-
         self.whois = whois.whois
 
         self._name = name
@@ -95,8 +94,6 @@ class WhoisSensor(Entity):
 
     def update(self):
         """Get the current WHOIS data for the domain."""
-        import whois
-
         try:
             response = self.whois(self._domain)
         except whois.BaseException as ex:
diff --git a/requirements_all.txt b/requirements_all.txt
index 8af0da567da..c67928093c3 100644
--- a/requirements_all.txt
+++ b/requirements_all.txt
@@ -1569,7 +1569,7 @@ python-velbus==2.0.27
 python-vlc==1.1.2
 
 # homeassistant.components.whois
-python-whois==0.7.1
+python-whois==0.7.2
 
 # homeassistant.components.wink
 python-wink==1.10.5