fix json decode error

Author: HuangYi

integration_tests/cosmoscli.py

@@ -1,6 +1,7 @@
 import enum
 import hashlib
 import json
+import subprocess
 import tempfile
 
 import bech32
@@ -37,10 +38,10 @@ class ChainCommand:
     def __init__(self, cmd):
         self.cmd = cmd
 
-    def __call__(self, cmd, *args, stdin=None, **kwargs):
+    def __call__(self, cmd, *args, stdin=None, stderr=subprocess.STDOUT, **kwargs):
         "execute chain-maind"
         args = " ".join(build_cli_args_safe(cmd, *args, **kwargs))
-        return interact(f"{self.cmd} {args}", input=stdin)
+        return interact(f"{self.cmd} {args}", input=stdin, stderr=stderr)
 
 
 class CosmosCLI:
@@ -1051,6 +1052,7 @@ def transfer_tokens(self, from_, to, amount, **kwargs):
                 amount,
                 "-y",
                 home=self.data_dir,
+                stderr=subprocess.DEVNULL,
                 **(default_kwargs | kwargs),
             )
         )

integration_tests/poetry.lock

@@ -20,7 +20,7 @@ python-dateutil = "^2.8.1"
 web3 = "^5.20.1"
 eth-bloom = "^1.0.4"
 python-dotenv = "^0.19.2"
-pystarport = "^0.2.3"
+pystarport = { git = "https://github.com/crypto-com/pystarport.git", branch = "main" }
 websockets = "^9.1"
 toml = "^0.10.2"
 pysha3 = "^1.0.2"