Repro for spark csv escape issue

csv

a,b
at_the_end\,1
in_\_side,1
"comma,at_the_end\\",1
"comma,in_\\_side",1

repro.py

df = spark.createDataFrame([{'a':"at_the_end\\", "b":1},
                            {'a':"in_\\_side", "b":1},                                                         
                            {'a':"comma,at_the_end\\", "b":1},
                            {'a':"comma,in_\\_side", "b":1}
                            ])

path = "/tmp/spark-quote9"
df.coalesce(1).write.mode("overwrite").csv(path, header=True, escape="\\", quote='"')
! hdfs dfs -text {path}/* > /tmp/csv

pd.read_csv("/tmp/csv", escapechar="\\")

hi Tomasz Bartczak,
This is my first jira, which i am going to check. please guide me to check the issue.