Fix the exists cast warning

Sim4n6 · Sim4n6 · commit 09df055d86b5 · 2023-02-09T15:25:54.000+01:00
diff --git a/python/ql/src/experimental/Security/UnsafeUnpackQuery.qll b/python/ql/src/experimental/Security/UnsafeUnpackQuery.qll
@@ -84,7 +84,7 @@ class UnsafeUnpackingConfig extends TaintTracking::Configuration {
     // see wget: https://pypi.org/project/wget/
     exists(API::CallNode mcn |
       mcn = API::moduleImport("wget").getMember("download").getACall() and
-      if exists(Node arg | arg = mcn.getArg(1))
+      if exists(mcn.getArg(1))
       then source = mcn.getArg(1)
       else source = mcn.getReturn().asSource()
     )

Original file line number	Diff line number	Diff line change
`@@ -84,7 +84,7 @@ class UnsafeUnpackingConfig extends TaintTracking::Configuration {`
`84`	`84`	`// see wget: https://pypi.org/project/wget/`
`85`	`85`	`exists(API::CallNode mcn \|`
`86`	`86`	`mcn = API::moduleImport("wget").getMember("download").getACall() and`
`87`		`- if exists(Node arg \| arg = mcn.getArg(1))`
	`87`	`+ if exists(mcn.getArg(1))`
`88`	`88`	`then source = mcn.getArg(1)`
`89`	`89`	`else source = mcn.getReturn().asSource()`
`90`	`90`	`)`