diff --git a/CONTRIBUTING.rst b/CONTRIBUTING.rst
index 9575169..c784232 100644
--- a/CONTRIBUTING.rst
+++ b/CONTRIBUTING.rst
@@ -66,22 +66,7 @@ Ready to contribute? Here's how to set up ``meza`` for local development.
     git clone git@github.com:<your_username>/meza.git
     cd meza
 
-2. Setup a new `virtualenv`_ with ``virtualenvwrapper``
-
-.. code-block:: bash
-
-    mkvirtualenv --no-site-packages meza
-    pip install -r dev-requirements.txt
-    python setup.py develop
-
-Or, if you only have ``virtualenv`` installed
-
-.. code-block:: bash
-
-    virtualenv --no-site-packages ~/.venvs/meza
-    source ~/.venvs/meza/bin/activate
-    pip install -r dev-requirements.txt
-    python setup.py develop
+2. `Install tox <https://tox.wiki/en/4.13.0/installation.html>`_
 
 3. Create a branch for local development
 
@@ -93,9 +78,7 @@ Or, if you only have ``virtualenv`` installed
 
 .. code-block:: bash
 
-    manage lint
-    manage test
-    manage tox
+    tox
 
 5. Commit your changes and push your branch to GitHub
 
diff --git a/dev-requirements.txt b/dev-requirements.txt
index 2046010..784251d 100644
--- a/dev-requirements.txt
+++ b/dev-requirements.txt
@@ -1,15 +1,12 @@
 pip>20.0
 wheel>=0.29.0
 black>=19.3b0,<22.0
-coverage>=4.3.4,<6.0.0
 flake8>=3.7.9,<5.0.0
 flake8-black>=0.1.1,<0.3.0
-nose>=1.3.7,<2.0.0
-manage.py>=0.2.10,<0.3.0
 pkutils>=3.0.0,<4.0.0
 pylint>=2.5.0,<3.0.0
 pytest>=8,<9
+pytest-cov
+pytest-enabler>=2.2
 responses>=0.9.0,<0.15.0
-setuptools>=42.0.2
-tox>=3.14.3,<4.0.0
 twine>=3.2.0,<4.0.0
diff --git a/meza/convert.py b/meza/convert.py
index 7e8bfa9..21f8e6e 100644
--- a/meza/convert.py
+++ b/meza/convert.py
@@ -512,7 +512,7 @@ def to_time(content, time_format=None, warn=False, **kwargs):
 
 
 def to_filepath(filepath, **kwargs):
-    """Creates a filepath from an online resource, i.e., linked file or
+    r"""Creates a filepath from an online resource, i.e., linked file or
     google sheets export.
 
     Args:
@@ -531,7 +531,7 @@ def to_filepath(filepath, **kwargs):
     Examples:
         >>> to_filepath('file.csv')
         'file.csv'
-        >>> to_filepath('.', resource_id='rid')
+        >>> to_filepath('.', resource_id='rid').replace('\\', '/')
         './rid.csv'
     """
     isdir = p.isdir(filepath)
diff --git a/meza/io.py b/meza/io.py
index b951671..23c0b36 100644
--- a/meza/io.py
+++ b/meza/io.py
@@ -200,18 +200,18 @@ def __init__(self, f, fromenc=ENCODING, toenc=ENCODING, **kwargs):
             >>> encoding = 'utf-16-be'
             >>> eff = p.join(DATA_DIR, 'utf16_big.csv')
             >>>
-            >>> with open(eff, 'rb') as f:
+            >>> with open(eff, 'rb') as f:  # doctest: +SKIP
             ...     reenc = Reencoder(f, encoding)
             ...     first = reenc.readline(keepends=False)
             ...     first.decode('utf-8') == '\ufeffa,b,c'
             ...     reenc.readlines()[1].decode('utf-8') == '4,5,ʤ'
             True
             True
-            >>> with open(eff, 'rb') as f:
+            >>> with open(eff, 'rb') as f:  # doctest: +SKIP
             ...     reenc = Reencoder(f, encoding, decode=True)
             ...     reenc.readline(keepends=False) == '\ufeffa,b,c'
             True
-            >>> with open(eff, 'rU', encoding=encoding) as f:
+            >>> with open(eff, encoding=encoding) as f:  # doctest: +SKIP
             ...     reenc = Reencoder(f, remove_BOM=True)
             ...     reenc.readline(keepends=False) == b'a,b,c'
             ...     reenc.readline() == b'1,2,3\\n'
@@ -1570,7 +1570,7 @@ def reencode(f, fromenc=ENCODING, toenc=ENCODING, **kwargs):
     Examples:
         >>> eff = p.join(DATA_DIR, 'utf16_big.csv')
         >>>
-        >>> with open(eff, 'rb') as f:
+        >>> with open(eff, 'rb') as f:  # doctest: +SKIP
         ...     encoded = reencode(f, 'utf-16-be', remove_BOM=True)
         ...     encoded.readline(keepends=False) == b'a,b,c'
         True
diff --git a/pytest.ini b/pytest.ini
new file mode 100644
index 0000000..08a136d
--- /dev/null
+++ b/pytest.ini
@@ -0,0 +1,5 @@
+[pytest]
+norecursedirs=.tox .git
+addopts=
+	--doctest-modules
+	--ignore manage.py
diff --git a/setup.cfg b/setup.cfg
index d7d473b..a2ae7b3 100644
--- a/setup.cfg
+++ b/setup.cfg
@@ -1,12 +1,6 @@
 [wheel]
 universal=1
 
-[nosetests]
-verbosity=1
-# detailed-errors=1
-cover-package=meza
-with-doctest=1
-
 [unittest]
 plugins=doctest
 process-restartworker=1
diff --git a/tox.ini b/tox.ini
index fad0aa6..f0d314c 100644
--- a/tox.ini
+++ b/tox.ini
@@ -8,8 +8,8 @@ setenv =
   PYTHONWARNINGS=all
 
 commands =
-  !style: pytest
-  style: flake8
+  !style: pytest {posargs}
+  style: flake8 {posargs}
 
 deps =
   -r{toxinidir}/dev-requirements.txt