[Bug] None of ['symbol'] are in the columns

[sshcli]

alpaca_snippets/HFT-ish_2.py

Line 114 in d3a14c9

has= list(positions.columns)

Message="None of ['symbol'] are in the columns"
Source=\alpaca_snippets\HFT-ish_2.py
StackTrace:
File "\alpaca_snippets\HFT-ish_2.py", line 110, in submitorder
positions= positions.set_index('symbol').transpose()
File "\alpaca_snippets\HFT-ish_2.py", line 221, in (Current frame)
submitorder(randtick,'buy',positions,num_positions, BASE_VALUE)

[sshcli]

So far, the error only appears if you haven't buy anything yet.
Only if you don't have any position in your account

[sshcli]

The problem also occurs when you buy and sell the same day, when you don't have more opened positions in your account