diff --git a/scrapy/http/request/form.py b/scrapy/http/request/form.py
index 184ee2599..22846ad77 100644
--- a/scrapy/http/request/form.py
+++ b/scrapy/http/request/form.py
@@ -168,15 +168,17 @@ def _get_clickable(clickdata, form):
     if the latter is given. If not, it returns the first
     clickable element found
     """
+    print("form =", form.__dict__)
     clickables = [
         el for el in form.xpath(
-             'descendant::*[(self::input or self::button)'
-             ' and re:test(@type, "^submit$", "i")]'
-             '|descendant::*[(self::input or self::button)'
-             ' and re:test(@type, "^image$", "i")]'
-             '|descendant::button[not(@type)]',
-             namespaces={"re": "http://exslt.org/regular-expressions"})
+            'descendant::*[(self::input or self::button)'
+            ' and re:test(@type, "^submit$", "i")]'
+            '|descendant::*[(self::input or self::button)'
+            ' and re:test(@type, "^image$", "i")]'
+            '|descendant::button[not(@type)]',
+            namespaces={"re": "http://exslt.org/regular-expressions"})
         ]
+    print("clickables =", clickables)
     if not clickables:
         return