flip order in if-elif

Author: alexander-alderman-webb

sentry_sdk/integrations/stdlib.py

@@ -295,10 +295,10 @@ def sentry_patched_popen_init(
 
             rv = old_popen_init(self, *a, **kw)
 
-            if isinstance(span, Span):
-                span.set_tag("subprocess.pid", self.pid)
-            else:
+            if isinstance(span, StreamedSpan):
                 span.set_attribute(SPANDATA.PROCESS_PID, self.pid)
+            else:
+                span.set_tag("subprocess.pid", self.pid)
 
             return rv