diff --git a/lofarimaging/lofarimaging.py b/lofarimaging/lofarimaging.py
index d6c4d56..4a84135 100644
--- a/lofarimaging/lofarimaging.py
+++ b/lofarimaging/lofarimaging.py
@@ -126,7 +126,7 @@ def nearfield_imager(visibilities, baseline_indices, freqs, npix_p, npix_q, exte
 
             # v[:,np.newaxis,np.newaxis]*np.exp(-2j*np.pi*freq/c*groundbase_pixels[:,:,:]/c)
             # groundbase_pixels=nvis x npix x npix
-            np.add(img, np.sum(ne.evaluate("v * exp(j2pi * bl_diff_chunk / lamb)"),axis=0), out=img)
+            np.add(img, np.sum(ne.evaluate("v * exp(j2pi * bl_diff_chunk / lamb)"), axis=0), out=img)
     img /= len(freqs) * len(baseline_indices)
 
     return img
diff --git a/lofarimaging/maputil.py b/lofarimaging/maputil.py
index 5ee0af7..fec0010 100644
--- a/lofarimaging/maputil.py
+++ b/lofarimaging/maputil.py
@@ -90,13 +90,13 @@ def make_leaflet_map(overlay_array: np.array, lon_center: float, lat_center: flo
     folium.TileLayer(tiles="OpenStreetMap").add_to(m)
 
     folium.raster_layers.ImageOverlay(
-            name='Near field image',
-            image=overlay_array,
-            bounds=[[lat_min, lon_min], [lat_max, lon_max]],
-            opacity=opacity,
-            interactive=True,
-            cross_origin=False,
-            zindex=1
+        name='Near field image',
+        image=overlay_array,
+        bounds=[[lat_min, lon_min], [lat_max, lon_max]],
+        opacity=opacity,
+        interactive=True,
+        cross_origin=False,
+        zindex=1
     ).add_to(m)
 
     folium.LayerControl().add_to(m)
diff --git a/lofarimaging/singlestationutil.py b/lofarimaging/singlestationutil.py
index c5c7e08..d6b52de 100644
--- a/lofarimaging/singlestationutil.py
+++ b/lofarimaging/singlestationutil.py
@@ -301,7 +301,7 @@ def get_station_pqr(station_name: str, array_type: str, db):
 
 def make_ground_plot(image: np.array, background_map: np.array, extent: List[int], title: str = "Ground plot",
                      subtitle: str = "", opacity: float = 0.6, fig: plt.Figure = None, **kwargs) \
-                     -> Tuple[plt.Figure, np.array]:
+        -> Tuple[plt.Figure, np.array]:
     """
     Make a ground plot of an array with data
 
diff --git a/setup.py b/setup.py
index 32b87d6..dc4abdb 100644
--- a/setup.py
+++ b/setup.py
@@ -8,20 +8,20 @@ with open("README.md", "r") as fh:
 
 if __name__ == "__main__":
     setup(name='lofarimaging',
-          version      = __version__,
-          description  = 'LOFAR imaging utilities',
-          long_description = long_description,
+          version=__version__,
+          description='LOFAR imaging utilities',
+          long_description=long_description,
           long_description_content_type="text/markdown",
-          author       = 'Vanessa Moss, Michiel Brentjens, Tammo Jan Dijkema, Maaijke Mevius (ASTRON)',
-          author_email = 'moss@astron.nl',
-          packages     = ['lofarimaging'],
-          url          = "https://github.com/lofar-astron/lofarimaging",
-          requires     = ['numpy', 'numexpr', 'numba', 'astropy', 'lofargeotiff', 'lofarantpos', 'matplotlib', 'folium', 'mercantile', 'owslib', 'packaging', 'Pillow'],
-          scripts      = [],
-          classifiers  = [
+          author='Vanessa Moss, Michiel Brentjens, Tammo Jan Dijkema, Maaijke Mevius (ASTRON)',
+          author_email='moss@astron.nl',
+          packages=['lofarimaging'],
+          url="https://github.com/lofar-astron/lofarimaging",
+          requires=['numpy', 'numexpr', 'numba', 'astropy', 'lofargeotiff', 'lofarantpos',
+                    'matplotlib', 'folium', 'mercantile', 'owslib', 'packaging', 'Pillow'],
+          scripts=[],
+          classifiers=[
               "Programming Language :: Python :: 3",
               "License :: OSI Approved :: Apache Software License",
               "Operating System :: OS Independent",
           ]
-         )
-
+          )