diff --git a/pyzipcode/__init__.py b/pyzipcode/__init__.py
index da3b76b..70ed1f7 100644
--- a/pyzipcode/__init__.py
+++ b/pyzipcode/__init__.py
@@ -1,4 +1,4 @@
-from settings import db_location
+from .settings import db_location
 try:
     import sqlite3
 except ImportError:
@@ -24,7 +24,7 @@ def query(self, sql, args):
         # then just give up...
             try:
                 conn = sqlite3.connect(db_location)
-            except sqlite3.OperationalError, x:
+            except sqlite3.OperationalError as x:
                 retry_count += 1
                 time.sleep(0.001)
         
diff --git a/pyzipcode/import.py b/pyzipcode/import.py
index f41eb24..4dd79ff 100644
--- a/pyzipcode/import.py
+++ b/pyzipcode/import.py
@@ -3,7 +3,7 @@
 import os
 import csv
 try:
-    from settings import db_location
+    from .settings import db_location
 except:
     from pyzipcode.settings import db_location
 
@@ -17,7 +17,7 @@
 c.execute("CREATE INDEX state_index ON ZipCodes(state);")
 
 reader = csv.reader(open('zipcode.csv', "rb"))
-reader.next() # prime it
+next(reader) # prime it
     
 for row in reader:
     zip, city, state, lat, longt, timezone, dst = row
diff --git a/pyzipcode/tests.py b/pyzipcode/tests.py
index bc50831..8f41865 100644
--- a/pyzipcode/tests.py
+++ b/pyzipcode/tests.py
@@ -10,9 +10,9 @@ def setUp(self):
 
     def test_retrieves_zip_code_information(self):
         zip = self.db['54115']
-        self.assertEquals(zip.zip, '54115')
-        self.assertEquals(zip.city, "De Pere")
-        self.assertEquals(zip.state, "WI")
+        self.assertEqual(zip.zip, '54115')
+        self.assertEqual(zip.city, "De Pere")
+        self.assertEqual(zip.state, "WI")
         
     def test_correct_longitude_value(self):
         zip = self.db[54115]
@@ -24,11 +24,11 @@ def test_correct_latitude_value(self):
         
     def test_correct_timezone(self):
         zip = self.db[54115]
-        self.assertEquals(zip.timezone, -6)
+        self.assertEqual(zip.timezone, -6)
         
     def test_correct_dst(self):
         zip = self.db[54115]
-        self.assertEquals(zip.dst, 1)
+        self.assertEqual(zip.dst, 1)
         
     def test_radius(self):
         zips = self.db.get_zipcodes_around_radius('54115', 30)
@@ -36,7 +36,7 @@ def test_radius(self):
         
     def test_find_zip_by_city(self):
         zip = self.db.find_zip(city="De Pere")[0]
-        self.assertEquals('54115', zip.zip)
+        self.assertEqual('54115', zip.zip)
         
     def test_find_zip_by_city_with_multiple_zips(self):
         zips = self.db.find_zip(city="Green Bay")
diff --git a/setup.py b/setup.py
index 9373d40..8d177ca 100644
--- a/setup.py
+++ b/setup.py
@@ -3,13 +3,6 @@
 
 version = '0.4'
 
-try:
-    import sqlite3
-except ImportError:
-    requires = ['pysqlite']
-else:
-    requires = []
-
 setup(name='pyzipcode',
       version=version,
       description="query zip codes and location data",
@@ -24,7 +17,6 @@
       package_data={'pyzipcode': ['zipcodes.db']},
       include_package_data=True,
       zip_safe=False,
-      install_requires=requires,
       entry_points="""
       # -*- Entry points: -*-
       """,