diff --git a/imagery/i.pca/testsuite/test_pca.py b/imagery/i.pca/testsuite/test_pca.py
index 8e9df84f2eb..f42fc6ddcc0 100644
--- a/imagery/i.pca/testsuite/test_pca.py
+++ b/imagery/i.pca/testsuite/test_pca.py
@@ -48,7 +48,7 @@ def test_pca_sample(self):
             cells=250325
             datatype=CELL
             ncats=0
-            comments=\"Eigen values, (vectors), and [percent importance]:PC1   4334.35 ( 0.2824, 0.3342, 0.5092,-0.0087, 0.5264, 0.5217) [83.04%]PC2    588.31 ( 0.2541, 0.1885, 0.2923,-0.7428,-0.5110,-0.0403) [11.27%]PC3    239.22 ( 0.3801, 0.3819, 0.2681, 0.6238,-0.4000,-0.2980) [ 4.58%]PC4     32.85 ( 0.1752,-0.0191,-0.4053, 0.1593,-0.4435, 0.7632) [ 0.63%]PC5     20.73 (-0.6170,-0.2514, 0.6059, 0.1734,-0.3235, 0.2330) [ 0.40%]PC6      4.08 (-0.5475, 0.8021,-0.2282,-0.0607,-0.0208, 0.0252) [ 0.08%]i.pca input=\"lsat7_2002_10,lsat7_2002_20,lsat7_2002_30,lsat7_2002_40\,lsat7_2002_50,lsat7_2002_70\" output=\"lsat7_2002_pca\" rescale=0,255 \percent=99" """
+            comments=\"Eigen values, (vectors), and [percent importance]:PC1   4334.35 ( 0.2824, 0.3342, 0.5092,-0.0087, 0.5264, 0.5217) [83.04%]PC2    588.31 ( 0.2541, 0.1885, 0.2923,-0.7428,-0.5110,-0.0403) [11.27%]PC3    239.22 ( 0.3801, 0.3819, 0.2681, 0.6238,-0.4000,-0.2980) [ 4.58%]PC4     32.85 ( 0.1752,-0.0191,-0.4053, 0.1593,-0.4435, 0.7632) [ 0.63%]PC5     20.73 (-0.6170,-0.2514, 0.6059, 0.1734,-0.3235, 0.2330) [ 0.40%]PC6      4.08 (-0.5475, 0.8021,-0.2282,-0.0607,-0.0208, 0.0252) [ 0.08%]i.pca input=\"lsat7_2002_10,lsat7_2002_20,lsat7_2002_30,lsat7_2002_40\\,lsat7_2002_50,lsat7_2002_70\" output=\"lsat7_2002_pca\" rescale=0,255 \\percent=99" """
 
         lsat7_2002_pca_univar_out = [
             """n=250325
diff --git a/pyproject.toml b/pyproject.toml
index 649e309a73f..72582a53b15 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -271,7 +271,6 @@ ignore = [
     "UP031",   # printf-string-formatting
     "UP032",   # f-string
     "UP036",   # outdated-version-block
-    "W605",    # invalid-escape-sequence
 ]
 
 
diff --git a/raster/r.in.ascii/testsuite/test_r_in_ascii.py b/raster/r.in.ascii/testsuite/test_r_in_ascii.py
index 20e0c2a8f9e..813fad73196 100644
--- a/raster/r.in.ascii/testsuite/test_r_in_ascii.py
+++ b/raster/r.in.ascii/testsuite/test_r_in_ascii.py
@@ -32,7 +32,7 @@
 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15
 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 """
 
-INPUT_TSV = """north:                   4299000.00
+INPUT_TSV = r"""north:                   4299000.00
 south:                   4247000.00
 east:                     528000.00
 west:                     500000.00