[LNT] Fix get_sliding_runs of RunInfo

[ychen]

Summary

URLs like this are broken now.

http://lnt.llvm.org/db_default/v4/nts/133085?num_comparison_runs=3&test_filter=&test_min_value_filter=&aggregation_fn=min&MW_confidence_lv=0.05&compare_to=132960&baseline=130745&submit=Update

Introduced by D37360. Make it sqlalchemy's Session instead of flask.session.

[ychen]

ping?

[cmatthews]

Good catch! Thanks!

[ychen]

landed as 8458e7a09c779119141fd52e0556402bd5329f8e

lnt/server/ui/templates/v4_run.html

$('.profile-prev-only').tooltip();
   {% set graph_base=v4_url_for('.v4_graph', highlight_run=run.id) %}
   <form id="graph_selection_form" method="GET" action="{{ graph_base }}">
 
     {# Report one table for each primary field. #}
     {% for field in metric_fields %}
       {% set field_index = ts.get_field_index(field) %}
       <section id="{{ field.name }}">
           {% set tests = [] %}
-          {% set (runs, compare_runs) = request_info.sri.get_sliding_runs(session, run, compare_to, request_info.num_comparison_runs) %}
+          {% set (runs, compare_runs) = request_info.sri.get_sliding_runs(request_info.session, run, compare_to, request_info.num_comparison_runs) %}
           {% for test_name,test_id in test_info %}
             {% set cr = request_info.sri.get_comparison_result(
                 runs, compare_runs, test_id, field, hash_field) %}
             {% if cr.previous is not none or cr.current is not none %}
               {% if cr.current is none or cr.current >= test_min_value_filter %}
                 {% if tests.append((test_name, test_id, cr)) %}{% endif %}
               {% endif %}
             {% endif %}