diff --git a/Makefile b/Makefile
index f224d7091..e7aafba70 100644
--- a/Makefile
+++ b/Makefile
@@ -9,8 +9,8 @@ else
 endif
 
 init:
-	@python setup.py develop
-	@pip install -r requirements.txt
+	@python3 setup.py develop
+	@pip3 install -r requirements.txt
 
 lint:
 	flake8 moto
@@ -18,7 +18,7 @@ lint:
 test: lint
 	rm -f .coverage
 	rm -rf cover
-	@nosetests -sv --with-coverage --cover-html ./tests/ $(TEST_EXCLUDE)
+	nosetests -sv --with-coverage --cover-html ./tests/ $(TEST_EXCLUDE)
 test_server:
 	@TEST_SERVER_MODE=true nosetests -sv --with-coverage --cover-html ./tests/
 
diff --git a/moto/secretsmanager/__init__.py b/moto/secretsmanager/__init__.py
index bfc31930d..c7fbb2869 100644
--- a/moto/secretsmanager/__init__.py
+++ b/moto/secretsmanager/__init__.py
@@ -1,6 +1,6 @@
 from __future__ import unicode_literals
 from .models import secretsmanager_backends
-from ..core.models import base_decorator, deprecated_base_decorator
+from ..core.models import base_decorator
 
 secretsmanager_backend = secretsmanager_backends['us-east-1']
 mock_secretsmanager = base_decorator(secretsmanager_backends)
diff --git a/moto/secretsmanager/models.py b/moto/secretsmanager/models.py
index d5ff69248..4d95be48b 100644
--- a/moto/secretsmanager/models.py
+++ b/moto/secretsmanager/models.py
@@ -3,31 +3,28 @@ from __future__ import unicode_literals
 import datetime
 import json
 
-import boto.secretsmanager
+import boto3
 
 from moto.core import BaseBackend, BaseModel
 
+
 class SecretsManager(BaseModel):
 
-    def __init__(self, region, **kwargs):
+    def __init__(self, region_name, **kwargs):
         self.secret_id = kwargs.get('secret_id', '')
         self.version_id = kwargs.get('version_id', '')
         self.string_id = kwargs.get('string_id', '')
 
 class SecretsManagerBackend(BaseBackend):
 
-    def __init__(self, region):
+    def __init__(self, region_name=None):
         super(SecretsManagerBackend, self).__init__()
-        self.region = region
+        self.region = region_name
 
     def get_secret_value(self, secret_id, version_id, string_id):
 
-        secret_response = SecretsManager(self.region, secret_id=secret_id,
-            version_id=version_id,
-            string_id=string_id)
-
         response = json.dumps({
-            "ARN": secret_arn,
+            "ARN": self.secret_arn(),
             "Name": self.secret_id,
             "VersionId": "A435958A-D821-4193-B719-B7769357AER4",
             "SecretBinary": b"testbytes",
@@ -44,6 +41,7 @@ class SecretsManagerBackend(BaseBackend):
         return "arn:aws:secretsmanager:{0}:1234567890:secret:{1}-rIjad".format(
             self.region, self.secret_id)
 
-secretsmanager_backends = {}
-for regin in boto.secretsmanager.regions():
-    secretsmanager_backends[region.name] = SecretsManagerBackend(region.name)
+
+available_regions = boto3.session.Session().get_available_regions("secretsmanager")
+print(available_regions)
+secretsmanager_backends = {region: SecretsManagerBackend(region_name=region) for region in available_regions}
diff --git a/tests/test_secretsmanager/test_secretsmanager.py b/tests/test_secretsmanager/test_secretsmanager.py
index b80e13503..df4f0f69e 100644
--- a/tests/test_secretsmanager/test_secretsmanager.py
+++ b/tests/test_secretsmanager/test_secretsmanager.py
@@ -7,7 +7,7 @@ import sure  # noqa
 
 @mock_secretsmanager
 def test_get_secret_value():
-    conn = boto3.client('secretsmanager', 'us-west-2')
+    conn = boto3.client('secretsmanager', region_name='us-west-2')
 
     result = conn.get_secret_value(SecretId='java-util-test-password')
     assert result['SecretString'] == 'mysecretstring'