fix: improved logic

Signed-off-by: Meet Soni <[email protected]>

Author: inosmeet

cve_bin_tool/cvedb.py

@@ -526,7 +526,6 @@ def populate_db(self) -> None:
         self.populate_metrics()
         # EPSS uses metrics table to get the EPSS metric id.
         # It can't be run before creation of metrics table.
-        self.populate_purl2cpe()
 
         for idx, data in enumerate(self.data):
             _, source_name = data
@@ -539,6 +538,9 @@ def populate_db(self) -> None:
             # if source_name != "NVD" and cve_data[0] is not None:
             #    cve_data = self.update_vendors(cve_data)
 
+            if source_name == "PURL2CPE":
+                self.populate_purl2cpe()
+
             if source_name == "EPSS":
                 if cve_data is not None:
                     self.store_epss_data(cve_data)