diff --git a/requirements-dev.txt b/requirements-dev.txt
index 54fe2f06816a0..fdb627d96207d 100644
--- a/requirements-dev.txt
+++ b/requirements-dev.txt
@@ -1,9 +1,16 @@
+console_log==0.2.10
+flake8-coding==1.3.0
+flake8-commas==2.0.0
+flake8-future-import==0.4.5
+flake8-import-order==0.18
+flake8-quotes==1.0.0
+flake8==3.5.0
 flask-cors==3.0.3
 ipdb==0.11
 mysqlclient==1.3.12
-psycopg2==2.7.4
+psycopg2-binary==2.7.5
+pycodestyle==2.3.1
+pylint==1.9.2
 redis==2.10.6
 statsd==3.2.2
 tox==3.1.2
-console_log==0.2.10
-pylint==1.9.2
diff --git a/superset/migrations/versions/46ba6aaaac97_.py b/superset/migrations/versions/46ba6aaaac97_.py
new file mode 100644
index 0000000000000..eb0a7aacaa34b
--- /dev/null
+++ b/superset/migrations/versions/46ba6aaaac97_.py
@@ -0,0 +1,22 @@
+"""empty message
+
+Revision ID: 46ba6aaaac97
+Revises: ('705732c70154', 'e3970889f38e')
+Create Date: 2018-07-23 11:20:54.929246
+
+"""
+
+# revision identifiers, used by Alembic.
+revision = '46ba6aaaac97'
+down_revision = ('705732c70154', 'e3970889f38e')
+
+from alembic import op
+import sqlalchemy as sa
+
+
+def upgrade():
+    pass
+
+
+def downgrade():
+    pass
diff --git a/superset/migrations/versions/e3970889f38e_.py b/superset/migrations/versions/e3970889f38e_.py
new file mode 100644
index 0000000000000..abbee363d84a1
--- /dev/null
+++ b/superset/migrations/versions/e3970889f38e_.py
@@ -0,0 +1,22 @@
+"""empty message
+
+Revision ID: e3970889f38e
+Revises: ('4451805bbaa1', '1d9e835a84f9')
+Create Date: 2018-07-22 09:32:36.986561
+
+"""
+
+# revision identifiers, used by Alembic.
+revision = 'e3970889f38e'
+down_revision = ('4451805bbaa1', '1d9e835a84f9')
+
+from alembic import op
+import sqlalchemy as sa
+
+
+def upgrade():
+    pass
+
+
+def downgrade():
+    pass
diff --git a/tox.ini b/tox.ini
index 464ab1b8ce623..06015d7eddc1f 100644
--- a/tox.ini
+++ b/tox.ini
@@ -51,14 +51,9 @@ deps =
 
 [testenv:flake8]
 commands =
-    flake8
+    flake8 {toxinidir}/
 deps =
-    flake8
-    flake8-coding
-    flake8-commas
-    flake8-future-import
-    flake8-import-order
-    flake8-quotes
+    -rrequirements-dev.txt
 
 [testenv:javascript]
 commands =