fix(c): drop spurious loop break in pipeline_communicate

This makes the Python and the C implementation more similar. The
difference was unexpected but apparently harmless. See #431

diff --git a/psycopg_c/psycopg_c/_psycopg/generators.pyx b/psycopg_c/psycopg_c/_psycopg/generators.pyx
index a51fce5e28d5f2117e1a161fa6c3c2a8663ede9c..b559153f2894fb508455c5a108496d4a1b946123 100644 (file)
--- a/psycopg_c/psycopg_c/_psycopg/generators.pyx
+++ b/psycopg_c/psycopg_c/_psycopg/generators.pyx
@@ -240,7 +240,6 @@ def pipeline_communicate(
                     r = pq.PGresult._from_ptr(pgres)
                     if status == libpq.PGRES_PIPELINE_SYNC:
                         results.append([r])
-                        break
                     elif (
                         status == libpq.PGRES_COPY_IN
                         or status == libpq.PGRES_COPY_OUT