Do not auto-close STDOUT on exit

Author: ESultanik

graphtage/printer.py

@@ -600,6 +600,7 @@ def __init__(self, *args, title: Optional[str] = None, **kwargs):
         self.indents += 1
 
     def close(self):
+        super().flush()
         if self.indents != 3:
             log.warning(f"Mismatched indent; expected 3 but got {self.indents}")
         self.indents -= 1
@@ -609,6 +610,7 @@ def close(self):
         super().newline()
         self.raw_write("</html>")
         super().newline()
+        super().close()
 
     def html_element(self, element_name, inline=False, **kwargs) -> 'HTMLPrinter':
         """A convenience function for printing an element."""

graphtage/progress.py

@@ -98,9 +98,10 @@ def write(self, text: str) -> int:
             self.flush()
         return len(text)
 
-    def close(self) -> None:
+    def close(self):
         self.flush(final=True)
-        return self.status_stream.close()
+        if self.status_stream is not sys.stdout and self.status_stream is not sys.stderr:
+            self.status_stream.close()
 
     def fileno(self) -> int:
         return self.status_stream.fileno()