diff --git a/.github/workflows/test_publish.yml b/.github/workflows/test_publish.yml
index c4240a7..acd57ba 100644
--- a/.github/workflows/test_publish.yml
+++ b/.github/workflows/test_publish.yml
@@ -27,8 +27,11 @@ jobs:
     - name: Install dependencies
       run: |
         python -m pip install --upgrade pip
-        pip install mne flake8 pytest
+        pip install mne flake8 pytest twine pymatreader
         pip install -r requirements.txt
+        pip install -e .
+        mne sys_info -d
+      shell: bash -el {0}
     - name: Lint
       run: |
         flake8 .
@@ -36,10 +39,16 @@ jobs:
       run: |
         pytest
     - name: Build Package
-      if: github.event_name == 'push' && (github.ref == 'refs/heads/stable' || startsWith(github.ref, 'refs/tags/v'))
       run: |
         pip install setuptools wheel twine
         python setup.py sdist bdist_wheel
+      shell: bash -el {0}
+    - name: Test sdist
+      run: |
+        twine check dist/*
+        ls dist/*.tar.gz | wc -l | grep "^1$"
+        pip install dist/*.tar.gz
+      shell: bash -el {0}
     - name: Publish to Test PyPI
       if: github.event_name == 'push' && github.ref == 'refs/heads/stable'
       env:
diff --git a/MANIFEST.in b/MANIFEST.in
new file mode 100644
index 0000000..f9bd145
--- /dev/null
+++ b/MANIFEST.in
@@ -0,0 +1 @@
+include requirements.txt
diff --git a/eeglabio/_version.py b/eeglabio/_version.py
index fe7968a..48405a8 100644
--- a/eeglabio/_version.py
+++ b/eeglabio/_version.py
@@ -1,3 +1,3 @@
 """The version number."""
 
-__version__ = '0.0.1-6'
+__version__ = '0.0.1-7'
diff --git a/eeglabio/tests/test_raw.py b/eeglabio/tests/test_raw.py
index 85c5cec..9ee6794 100644
--- a/eeglabio/tests/test_raw.py
+++ b/eeglabio/tests/test_raw.py
@@ -12,14 +12,14 @@
 
 def test_export_set(tmpdir):
     """Test saving a Raw instance to EEGLAB's set format"""
-    raw = read_raw_fif(raw_fname)
-    raw.load_data()
+    raw = read_raw_fif(raw_fname).pick_types(
+        meg=True, eeg=True, ecg=True).load_data()
     temp_fname = op.join(str(tmpdir), 'test_raw.set')
     export_mne_raw(raw, temp_fname)
     raw_read = read_raw_eeglab(temp_fname, preload=True)
     assert raw.ch_names == raw_read.ch_names
     cart_coords = np.array([d['loc'][:3] for d in raw.info['chs']])  # just xyz
     cart_coords_read = np.array([d['loc'][:3] for d in raw_read.info['chs']])
-    assert_allclose(cart_coords, cart_coords_read)
-    assert_allclose(raw.times, raw_read.times)
-    assert_allclose(raw.get_data(), raw_read.get_data())
+    assert_allclose(cart_coords, cart_coords_read, atol=1e-5)
+    assert_allclose(raw.times, raw_read.times, atol=1e-5)
+    assert_allclose(raw.get_data(), raw_read.get_data(), atol=1e-11)
diff --git a/setup.py b/setup.py
index d02b727..180013d 100644
--- a/setup.py
+++ b/setup.py
@@ -11,7 +11,7 @@
             version = line.split('=')[1].strip().strip("'")
             break
 if version is None:
-    version = "0.0.1"
+    raise RuntimeError('Could not obtain version')
 
 with open("requirements.txt") as f:
     requires = f.read().splitlines()
@@ -38,7 +38,7 @@
         "Operating System :: OS Independent",
     ],
     packages=setuptools.find_packages(exclude=("*tests",)),
-    python_requires=">=3.6",
+    python_requires=">=3.7",
     include_package_data=True,
     install_requires=requires,
     keywords="EEG MEG MNE EEGLAB",