Estou com um problema na ferramenta pix
+ ERROR+
The following NoSuchMethodError was thrown running a test:
The method '[]' was called on null.
Receiver: null
Tried calling: []("access_token")
When the exception was thrown, this was the stack:
#0 Object.noSuchMethod (dart:core-patch/object_patch.dart:38:5)
#1 Auth.authorize (package:gerencianet/src/auth.dart:59:33)
(elided one frame from package:stack_trace)
+ ERROR+
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