You have to enter the information from your K-1 manually.
See this TurboTax support FAQ for entering a Schedule K-1 - https://ttlc.intuit.com/turbotax-support/en-us/help-article/import-export-data-files/enter-k-1-received/L0GrC2Hcd_US_en_US?uid=l6scdib1
the desktop versions allow import if there is a TXF file offered by the partnership for download. the online versions do not offer this.