Revert "Use an absolute import"

This reverts commit 61cf660.

This change was rejected at runtime since the code in src/report does
not constitute a Python package.  See also issue #50.

Author: jsf9k

src/report/generate_https_scan_report.py

@@ -29,10 +29,10 @@
 # Third-Party Libraries
 import chevron
 from docopt import docopt
-from mongo_db_from_config import db_from_config
 
 # intra-project modules
-from . import graphs
+import graphs
+from mongo_db_from_config import db_from_config
 
 # constants
 HOME_DIR = "/home/cisa"