fix: display system error message when rsconnect.environment inspection fails #639
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When calling
python -m rsconnect.environment
with invalid arguments,subprocess.check_output
returns a JSON object with a single error field. Passing this result directly toMakeEnvironment
results in aKeyError
sinceMakeEnvironment
requires additional arguments. This change catches the TypeError and surfaces the underlying error message fromsubprocess.check_output
.Addresses #635