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Solution to error reporting of CONDA virtual environment due to system environment variables

Due to IDA settings, the system environment variable pythonhome needs to be provided. It is configured as e: \ anaconda3 on this machine, including version Python 3.8

However, after using CONDA to create a new environment Python 3.5, the python environment is still Python 3.8, resulting in a series of problems such as Python unable to start

Fatal Python error: Py_Initialize: can't initialize sys standard streams
Traceback (most recent call last):
  File "E:\Anaconda3\lib\io.py", line 52, in <module>
  File "E:\Anaconda3\lib\abc.py", line 106
    print(f"Class: {cls.__module__}.{cls.__qualname__}", file=file)

Solution: set the virtual environment variable to null after activating e: \ py35 to start the virtual environment

conda env config vars set PYTHONHOME=""
conda deactivate

Activate again to solve the problem. The same is true for other Python versions

Error “parse” in grafana curve_ exception: Encountered…”

Error “parse” in grafana curve_ exception: Encountered…”

 

Problem phenomenon

The error reported by the configured grafana diagram is as follows:

 

 

Cause analysis

Click error reporting to see the details of error reporting. It is because the syntax of the query statement is abnormal.

 

 

The value of the variable pool is none

 

 

 

Solution

The query SQL of the variable pool needs to be modified. The modification effect is as follows:

 

 

After modification, the grafana diagram can display data normally: