diff --git a/src/raster/r.vif/r.vif.py b/src/raster/r.vif/r.vif.py
index cf7f333754..0b3e9926f4 100755
--- a/src/raster/r.vif/r.vif.py
+++ b/src/raster/r.vif/r.vif.py
@@ -123,10 +123,12 @@
 
 
 # Functions
-def prRed(skk): print("\033[91m {}\033[00m" .format(skk))
+def prRed(skk):
+    print("\033[91m {}\033[00m".format(skk))
 
 
-def prGreen(skk): print("\033[92m {}\033[00m" .format(skk))
+def prGreen(skk):
+    print("\033[92m {}\033[00m".format(skk))
 
 
 CLEAN_RAST = []
@@ -358,8 +360,9 @@ def main(options, flags):
                         y = p[:, k]
                     except IndexError as e:
                         prRed(f"An error occurred: {str(e)}")
-                        prGreen("Tip: check if all input rasters have values"
-                              " within the computation region.")
+                        prGreen(
+                            "Tip: check if all input rasters have values within the computation region."
+                        )
                     x = np.delete(p, k, axis=1)
                     vifstat = compute_vif(x, y)