New library version to address failure. (#2057)

* New library version to address failure.

* Encoded strings for library call

* Give changes a bit longer to finish

* fix lint error

* Update main.py

* Paren was missing

Author: engelke

bigtable/hello_happybase/main.py

@@ -72,7 +72,9 @@ def main(project_id, instance_id, table_name):
             #
             #     https://cloud.google.com/bigtable/docs/schema-design
             row_key = 'greeting{}'.format(i)
-            table.put(row_key, {column_name: value})
+            table.put(
+                row_key, {column_name.encode('utf-8'): value.encode('utf-8')}
+            )
         # [END writing_rows]
 
         # [START getting_a_row]

bigtable/hello_happybase/requirements.txt

@@ -1 +1 @@
-google-cloud-happybase==0.32.1
+google-cloud-happybase==0.33.0

bigtable/metricscaler/metricscaler_test.py

@@ -46,14 +46,14 @@ def test_scale_bigtable():
 
     scale_bigtable(BIGTABLE_INSTANCE, BIGTABLE_INSTANCE, True)
 
-    time.sleep(3)
+    time.sleep(10)
     cluster.reload()
 
     new_node_count = cluster.serve_nodes
     assert (new_node_count == (original_node_count + SIZE_CHANGE_STEP))
 
     scale_bigtable(BIGTABLE_INSTANCE, BIGTABLE_INSTANCE, False)
-    time.sleep(3)
+    time.sleep(10)
     cluster.reload()
     final_node_count = cluster.serve_nodes
     assert final_node_count == original_node_count