diff --git a/.github/workflows/test.yml b/.github/workflows/test.yml
index 7acd359..1496029 100644
--- a/.github/workflows/test.yml
+++ b/.github/workflows/test.yml
@@ -21,7 +21,7 @@ jobs:
     - name: Install
       run: |
         python -m pip install --upgrade pip
-        pip install .
+        pip install .[dev]
     - name: Check Dependencies
       run: |
         pipconflictchecker
diff --git a/afqbrowser/browser.py b/afqbrowser/browser.py
index bdbdfe2..f6ef42d 100644
--- a/afqbrowser/browser.py
+++ b/afqbrowser/browser.py
@@ -17,13 +17,8 @@
 import numpy as np
 import afqbrowser as afqb
 
-# Shim for Python2/Python3:
-try:
-    from http.server import SimpleHTTPRequestHandler
-    import socketserver
-except ImportError:
-    from SimpleHTTPServer import SimpleHTTPRequestHandler
-    import SocketServer as socketserver
+from http.server import SimpleHTTPRequestHandler
+import socketserver
 
 
 MNI_AFF = np.array([[1., 0., 0., -98.],