remove empty lines from python code in sqllogictest

Signed-off-by: Runji Wang <[email protected]>

e2e_test/udf/python_udf.slt

@@ -48,9 +48,8 @@ drop function decimal_add;
 statement ok
 create function to_string(a boolean, b smallint, c int, d bigint, e real, f float, g decimal, h varchar, i bytea, j jsonb) returns varchar language python as $$
 import json
-
 def to_string(a, b, c, d, e, f, g, h, i, j):
-    return str(a) + str(b) + str(c) + str(d) + str(e) + str(f) + str(g) + str(h) + str(i) + json.dumps(j);
+    return str(a) + str(b) + str(c) + str(d) + str(e) + str(f) + str(g) + str(h) + str(i) + json.dumps(j)
 $$;
 
 query T
@@ -106,7 +105,6 @@ class Ret:
         self.i = i
         self.j = j
         self.s = s
-
 def return_all(a, b, c, d, e, f, g, h, i, j, s):
     return Ret(a, b, c, d, e, f, g, h, i, j, s)
 $$;
@@ -158,7 +156,6 @@ class Ret:
     def __init__(self, word, length):
         self.word = word
         self.length = length
-
 def split(s):
     for word in s.split():
         yield Ret(word, len(word))